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Patent model of Eli Whitney’s cotton gin. A patent model was a handmade miniature model no larger than 12" by 12" by 12" (approximately 30 cm by 30 cm by 30 cm) that showed how an invention works. It was one of the most interesting early features of the United States patent system. [1]
Caveats were instituted by the U.S. Patent Act of 1836, but were discontinued in 1909, with the U.S. Congress abolishing the system formally in 1910. Patent model – was a scratch-built miniature model no larger than 12" by 12" by 12" (approximately 30 cm by 30 cm by 30 cm) that showed how an invention works. It was one of the most interesting ...
The first design was a 6.35mm blow-back design based on the Browning 1906. [1] This was the Brevetto 5 (Italian for "Model" or "Patent" number 5). Galesi Arms would continue to do more designs including the Brevetto 9 (a longer version of the Brevetto 5) and the 500 series, which included 14 designs ranging from Brevetto 503 to Brevetto 517.
8021 Citrus Park Town Center, Tampa, FL 33625: Opening date: March 3, 1999; 25 years ago () Previous names: Citrus Park Town Center (1999–2002)
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.
Rather, a patent provides, from a legal standpoint, the right to exclude others [1] from making, using, selling, offering for sale, or importing the patented invention for the term of the patent, which is usually 20 years from the filing date [4] subject to the payment of maintenance fees.
A patent is an exclusionary right – preventing others from entering the market – and so its effect may be to increase the patent proprietor's income from that market. The major economic effect is the exclusivity period of the patent rights, when exploitation pays back for the enterprise that funded research and development. However ...
The decision to use a striker vs. that of an internal hammer like on the Walther Model 8 was to reduce overall size of the gun, but sacrificed reliability. If the striker spring is compressed for extended periods of time it can weaken and not have enough force to ignite the primer causing a misfire. [2]