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Depends upon whether it is a utility patent or a design patent, when it was filed and when it was issued, and the relevant prior art.
A utility patent for a triangular peg game would most likely be unenforceable as such puzzles have been out there for hundreds of years. There are specific articles about how to solve such puzzles in the mathematical press since the 1960s. A US utility patent from the 1960s, if valid, would have expired 17 years after being issued.
There have been peg puzzle patents in the USA since at least 1891, e.g., USP 462,170, the "Smith puzzle" and 484,882, the "Rickert puzzle".
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Are US patents good outside the US?
No, a US patent is only enforceable in the courts of the USA. A US patent application can, however, provide a priority basis for filings in other countries and in the European Patent Office for coverage outside of the USA.
How many years is a patent valid?
A "pending patent" does not exist. A patent application which is pending at the patent office is typically referred to as "patent pending", but has not yet matured into an enforceable right. A patent application can, in theory, be pending indefinitely as long as you are willing to pay to keep it alive (via Requests for Continued Examination or via continuation applications, and so forth).
What does the pt mean when shown on a colt pt FA mfg stamped barrel?
I believe 'pt' stands for patent, as in Colt patent firearms
Where can you get a manual for a 12 gauge pump shotgun that has Browning Patent engraved on the barrel?
You need to identify the make and model of the shotgun. Dozens of different makes of guns show a browning patent on the barrel. Recheck and re-ask the question - Thank you
What is the value of a J Stevens 20 gauge with an octagon barrel with a patent date of 1864?
$500
Remington 12A serial number 491477. Last date stamped on barrel is April 16 1912. Any idea when it was manufactured?
Is was made in 1919, that is the patent date. I suspect I have the patent posted in the patent section of the Gallery on the Remington Society of America if you want to see it...
Single shot lever action octagonal barrel Ballard patent 1151861 serial 20575 When manufactured?
Pre 1899
What is the value of a 12 gauge double barrel self cocking shot gun marked Webley Lang patent?
Unknown
H Pieper double barrel patent April 23 1881 NO 4673?
The H Pieper double-barrel patent of April 23, 1881, No 4673, is a patent registered in Belgium to Henri Pieper, allowing two shots to be fired in rapid succession. He created the double-barrel that is widely used today for shotguns. Henri Pieper registered 69 patents in Belgium from 1861 to 1896, in the field of the machines, shotguns, revolvers, cartridges and reducers, guns of rifles, Damas, various chargers of cartridges and ammunition belts.
What is the value of a 38 sw special ctg stamped on right side of barrel 6-cylinder revolver no patent date left side of barrel smith and Wesson?
Age of smith Wesson serial no 5K4166
I have an old Remington shotgun that I would like to know the age of I cant find a model number on it although on the side of the barrel it says MOD RJ it is a 12 ga Patent is 436341?
I can't tell from a patent #, is it a pump or auto? Is the RJ on the left side of the barrel near the receiver if so that's a date code from November 1940.
What is the model number of your j Stevens lever action the patent date stamped on the barrel mar 1910 it is a 32 rem cal?
425
