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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]
The Remington Model 8 is a semi-automatic rifle designed by John Browning and produced by Remington Arms, [4] introduced as the Remington Autoloading Rifle in 1905, though the name was changed to the Remington Model 8 in 1911. [5]
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 ...
A type of patent in some countries used for inventions that have a short commercial life or that offers a comparatively small advance over existing technology. It often has a shorter term of protection, for example 8 years instead of 20 in Australia. See also utility model and petty patent.
The Walther Model 8 was a 6.35mm single-action pocket pistol manufactured by Carl Walther GmbH between 1920 and 1940. It was fed by an 8-round magazine and chambered in .25 ACP . The Model 8 is a blowback pistol with a concealed hammer and has several design features that were innovative for Walther, including fewer parts and an easier disassembly.
In the US, patent maintenance fees are due on 3.5, 7.5 and 11.5 anniversaries of the patent issuance. [93] Only ca. 50% of issued US patents are maintained full term. Large corporations tend to pay maintenance fees through the full term, while small companies are more likely to abandon their patents earlier, even though the due fees are ca. 5 ...