DESCRIPTION:

On this original linen-backed lithograph from 1889, A. U. Alcock and H. Galopin patented improvements to arc lamps. Relates to an automatic clutch feed-device, and to an automatic compensating-balance for the upper carbon in series lamps.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1889, H. Salsbury patented improvements in or relating to candle lamps.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1898, Peter Jensen, a British citizen, patented an electrical log recording instrument for the cabin. This invention relates to electrical ship logs and has for its object, in combination with an ordinary mechanical log of the taff rail or other type, to give in and convenient place of the vessel, say the navigation cabin, a true synopsis of the miles traveled and to give a reliable signal on one or more electric bells when the ship has passed a certain distance.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1889, Cant patented improvements in electric indicators. The invention consists of a new form of armature which bears on its outer side a small lug and a new form of flag, having at the apex of a circle a small curved lug which engages and is supported by the lug on the armature when by a quick motion of the electric current the lug is disengaged and the flag falls, indicating which room or place the circuit has been made.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1898, William Blenheim, an Electrical Engineer, patented an electric fire call. It is to call firemen in case of fire. It consists of four parts; (1) Apparatus at fire or central station; (2) Bells at firemen’s houses; (3) call points from which calls to the fire station can be given; (4) the line wire.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Edmunds, H. patented an invention that relates to electricity, supplying in general, electric lighting, gas meters, and sale apparatus for liquids. The apparatus for supplying electricity consists of a pivoted heavy frame, which can be raised by hand into the position by means of the arm when a coin is inserted and forms a connecting link between the arm and the frame. 

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Dieuleveult, U. patented a signaling apparatus for marine ships. For this apparatus, a buoy is attached by mooring-chains to a metal shoe fixed in the sea bottom by a screw or the like. 

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, W. Reeves patented improvements related to lighting and extinguishing gas; regulating flame; signal lamps. Relates to means for opening and closing valves and cocks by a clock or other motor, applicable in connection with street, railway-signal, and other lamps.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, N. M. Henderson patented Miners’ and like safety lamps designed to burn solid hydrocarbons. The solid hydrocarbon is placed in a thin copper box which fits into the asbestos, carbon, or other non-conducting lining of the cup. The latter being secured to a flange on the ring by a screw.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Soc. Paul Auguste Godchaux et Cie. (Lake) patented means for preventing set-off in rotary machines. The means for taking the “set-off” from the blanket of the second impression cylinder are shown in Fig. 1, which shows parts from a printing machine by which the paper from the roll A is printed on one side by the cylinders B, C and on the other by E, D.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1932 (includes original specification sheet), The General Electric Company Limited patented improvements in or relating to rotary electric switches for wireless receiving apparatus. The General Electric Company, or GEC, was a major UK-based industrial conglomerate involved in consumer and defense electronics, communications, and engineering.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, W. Stern patented improvements relating to inverted and regenerative gas lamps. The central air supply, which enters at c and passes between the rings a, b, is heated by contact with the flue tubes d, d, after which it traverses a perforated plate e and gauze f to the upper surface of the flame.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Fletcher, T., and Clare, A. patented a regenerative gas lamp. This invention relates to a lamp wherein both the gas and air are supplied from below. Around the annular burner is a casing which is open at both ends. Above the burner is a compound deflector and reflector. The air supply to the upper surface of the flame is heated by passing through the reticulated baffles before being deflected downwards by the hood which is utilized as a reflector. 

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Griffiths, A. H. patented an oil lamp burner. This relates to improvements in the burners and burner cones of duplex lamps. The usual cone is replaced by a double cone and the parts are joined together at their lower edges.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.

DESCRIPTION:

On this original linen-backed lithograph from 1888, T. Macneill patented improvements that consist in the application to pedestal, suspended, and other lamps of the siphon-float method of oil supply.

All patent lithographs sold by Maymont Group are 100% ORIGINAL.

These documents are NOT reproductions or posters (patent art).

These are the original lithographs found in books obtained from the Patent and Trademark Office directly.

In the 1800's and early 1900's, inventors would submit a detailed drawing of the invention and/or improvements to the patent and trademark office. Once received and if approved, the Patent office would then send a letter of confirmation to the inventor and begin to take that drawing and etch it into stone in order to create and print this linen-backed lithograph. These documents are the original hard copies that were created by the patent office's artists, and act as patent examiner reference material. With that being said, these are 100% original and are the only physical copies in existence.

If you have any other inquiries concerning our business or the patents we are selling, please do not hesitate to contact us and we will respond promptly.