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(d) - data for 1836 include 599 patents issued prior to July 4, the effective date of the 1836 patent law (e) - "Patents", as used in this column, refers to "patents for inventions", also known as "utility" patents Data Sources (a) - recent statistics are obtained from the report, U.S. Patent Statistics Report, U.S. Patent and Trademark Office ...
First patent; Under patent 11,526 of 13 July 1913 Norris sought protection for his "Adjustment for Plane Irons". The 1914 Norris price list gives an outline explanation, whereas the HMSO report published in 1921 gives a full description of the mechanism. [14] During the First World War Norris continued making tools.
According to the Patent Information News' magazine published by the EPO, a 2013 independent study compared Espacenet with DepatisNet, Freepatentsonline, Google Patent and the public search facility at the USPTO. In that study, Espacenet reportedly obtained the highest score for both data coverage and customer support, and the best overall ...
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
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New Britain Machine Company also supplied many companies, this list includes Mac Tools, Matco Tools, Giller, J. C. Penney (Penncraft), Owatonna Tools Company, American Forge, and PowerKraft. In 1957, Luther Kilness filed patent numbers 2,554,990 [ 4 ] and 2,981,389 [ 5 ] with the United States Patent Office .
AJ Aubrey Patents Description City Filed from Patent Number Date Issued Improved Safety for breakdown guns Hopkinton, MA: 859477: July 9, 1907 Sight For Firearms Meriden, CT: 839535: December 25, 1906 Sight For Firearms Meriden, CT: 835091: November 6, 1906 Automatic Shell-Ejector for Firearms Meriden, CT: 887569: May 12, 1908 Fore-Stock ...
Lucky for us, this handy chart can help you keep track of all the Ball jar logos. There are about eight different logos in total, starting in the 1880s and finishing in the present day.
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