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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 ...
Captain America #1: Publishing Date in March 1941 and written by Joe Simon and Jack Kirby. It is worth approximately $90,000 to $3,120,000, depending on condition. It is worth approximately ...
Technically, anything over 20 years old can be coined "vintage." But when you truly think of items worth this title, your brain doesn't go to Beanie Babies. Instead, it conjures up images of vinyl...
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.
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 [ 3 ] and 2,981,389 [ 4 ] with the United States Patent Office .
The US patent number without commas; for numeric-only values, commas will be inserted by the template. While the USPTO parser ignores commas, other services (notably Google Patents) cannot handle them. For design or reissued patents prefix with D or RE, respectively; see Patent Search Help for the full list. 2 (optional) Link title.
A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but ...
The Derwent World Patents Index (DWPI) is a database containing patent applications and grants from 44 of the world's patent issuing authorities. [1] [2]Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent ...