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A patent is active for its duration (generally counted as 20 years from its date of filing -- i.e., it's priority date), assuming all post-issuance fees have been paid. You can check with the patent office in the country where the patent was issued to determine its status in that country.
What else can I help you with?
How old is a revolver with patent 51668?
A patent number will only tell you the EARLIEST date on which the device was manufactured, and the patent number could still be put on many years after the patent expired (although without any legal effect). For U.S. patents, go to USPTO.gov, click patent, search, and type in the number to find the image of the particular patent you're interested in (prior to 1976).
How can I find a patent number for a specific invention?
To find a patent number for a specific invention, you can search the United States Patent and Trademark Office (USPTO) website. Use keywords related to the invention to locate the patent in the database. The patent number will be listed on the patent document once you find it.
Where can one find a European patent attorney?
You can find a European patent attorney by using the EPO website. The EPO, or European Patent Office, contains a wealth of information on how to find a representative as well as how to apply for a patent.
How do i find out when a patent number was registered?
You communicate with the Patent Office.
How do I patent a game I designed?
Talk to a patent lawyer. He/she will have the knowledge on how to patent the game. I have provided a link. But I would still highly recommend seeing the patent lawyer.
Who invented patent still?
Aeneas coffey
How does abandonment of a patent effect expiry period of a patent?
An inventor may decide to abandon a patent application by not responding to the patents office. Abandoned application could be revived if he or she can satisfy the patent office that the abandonment was unintentional or unavoidable.
If you are not a heir to the land patent can you still secure the land patent?
No. In order to "secure" a land patent you must prove ownership and provide a chain of title from you back to the grantee in the original patent.
How Do I Apply For A Patent?
For patent information, you need to contact The US Patent and Trademark Office or you can also visit their websiteand find some additional patent information there.
Where can one find information on how to patent your idea?
There are many ways one can find out about information on obtaining a patent on an idea. This includes obtaining the help of a patent attorney or asking in forums.
How do you find out if policy is still open?
policy no. 508220 is my policy still in effect
Where could you find a patent office?
The US Patent Office is located in Washington, DC.
