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The date the inventor received exclusive right to his invention..

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Q: What is a patent date?
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Related questions

Which date is printed on a patent?

The date the patent was granted.


How do read the patent to understand the age of gun army special 38?

The last patent date will tell you that it was made that date or later.


Is there a statute of limitations on a patent of a prototype?

Yes. There is a final date on which patent rights eventually do expire, but you will have to do your own research on the patent in question.


What is the history of Winchester rifle with patent date of March 1866?

There were three different Winchester lever-action Models with the 1866 patent... the Model 1866, the Model 1873, and the Model 1876. The 1866 patent date refers to King's patent for the side loading gate mechanism.


What is the value of a Harrington and Richardson with patent date of 1850 22 Rim fire?

H&R does not have a patent dating from 1850 - either you have the wrong company or the date was misread??????????????


When was the date and the date of patent of the hair dryer?

Early hair dryers were basically vacuums; Gabriel Kazanjian was awarded patent US994259 on June 8, 1911, for a blow dryer.


Does the X-ray have a patent date?

in 1975 Jan 14


Difference between patent and patent pending?

A patent is a grant from a patent office, such as the United States Patent Office. "Patent Pending" is a phrase that an application for a patent has been filed and is in some stage in the process of obtaining a patent. Thus, a patent can be presently enforced while a patent that is merely pending is unenforceable but can mature into a patent that can be enforced. Once the pending patent matures, the patent owner can sue for back damages or reasonable royalties starting from the filing date of the patent.


What year was a gun made with the patent number 3018577?

If that is a US Patent, you can look it up on Google, and tell when the patent was issued, but it cannot date the gun- other than we know it would have been made AFTER the patent was issued.


Where can you find information about a 22 Stevens that says short and long or long rifle and has a patent date?

The patent date should be just in from of the bolt under the rear sight. But only if it is a bolt action!!!!


Do you have any information on a shotgun with a patent date of Dec 11 1900 and serial number PG 639?

That patent date is found on shotguns manufactured by J. Stevens Arms & Tool Co.


How long does a patent last from 1992?

US patents are for 20 years, so a 1992 patent expired on its issue date in 2012.