Mop Gilbert Original Patent Lithograph 1888

Mop Gilbert Original Patent Lithograph 1888


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DESCRIPTION:

On this original linen-backed lithograph from 1888, Gilbert, B. F. patented a mop. The arms of the mop are pivoted to the handle and it carries the lower end serrated piece which slides on the straight parts of the pivoted bail. To insert the mop material, the catch is turned, and the arms are swung away from the handle when it is placed between the piece and the bottom of the bail.

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.

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