value is about $50.00 in vg cond.
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I am not sure where this person is getting their information, but the "Bluebook of airguns" (latest edition) states that the rifle was made between 1916 and 1932. it is the same as the model 21 except that it was a 500 shot. In poor condition it is worth $60 in very good condition it is worth around $235 and in excellent condition it is worth $290.
There are not training offered from the patent office on getting a patent. The patent office advises you to seek guidance from a trademark/patent attorney. A good attorney is highly suggested by the patent office. As a convenience, they have a roster of local Patent Attorneys.
In the USA the patent office is an agency of the Department of Commerce.
Confederate Patent Office was created in 1862.
The US Patent and Trademark Office is part of the Department of Commerce.
The US Patent Office is located in Washington, DC.
United States Patent and Trademark Office
Patent Office Professional Association was created in 1964.
You communicate with the Patent Office.
The US Patent and Trademark Office is an agency of the Department of Commerce.
He never worked for the patent office in his life. He has many patents to his name but the patents came form work in his laboratories.
The U.S. Patent Office administers the patent laws as they relate to the granting of patents for inventions and performs other duties relating to patents
Patent Office.