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In general, the contents of United States patents are in the public domain. ... Patent drawings for US1071500A.png 569 × 620; 163 KB. Patent US8595182 ...
Drawing is from US Patent number 1326716. The patent was filed on November 17, 1916, and granted on December 30, 1919. The patent is listed on worldwide.espacenet.com. Author: The illustrator is not listed in the patent, however the holder of the patent is Angéle Marcelle Dunning.
The United States Patent and Trademark Office (USPTO) specifies the size of the sheet on which the drawing is made, the type of paper, the margins, and other details relating to the making of the drawing. The reason for specifying the standards in detail is that the drawings are printed and published in a uniform style when the patent issues ...
The Old Patent Office Building is a historic building in Washington, D.C. that covers an entire city block between F and G Streets and 7th and 9th Streets NW in the Penn Quarter section of Chinatown. Built 1836–1867 in the Greek Revival style, the building first served as one of the earliest U.S. Patent Office buildings.
In various patent logs, it is recorded Tesla applied for US patent #613819 for "Filings Tube" (such as Charles Henry Sewall's "Wireless Telegraphy" (New York, 1904)) but it does not seem to have been issued. [7] [8] The Nikola Tesla Museum in Belgrade archives have Tesla prepared material and drawings for patents that he never registered. [7]
English: U.S. Patent and Trademark Office filing by Charles Darrow for a patent on the board game Monopoly, filed August 31, 1935 and granted December 31, 1935.While the images and text of this patent are public domain, Parker Brothers/Hasbro still hold trademarks on specific design elements of the game, including but not limited to the general game board design, the locomotive silhouettes ...
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In 1839 William Smith Otis, civil engineer of Philadelphia, Pennsylvania, was issued a US patent for the steam shovel (No. 1,089) for excavating and (removing earth). Officially the patent drawing is missing but a drawing exists which is said to be the one from the patent [1] and this shows the crane mounted on a railroad car. A load of earth ...