Questions tagged [owner]

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Know the owner of a patent when initial filing company no longer exists

When a patent was filed by a company that no longer exists, what is the best way to find out its current owner? In my case the company that filed the patent at the time first merged with a second ...
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Is our own patent application, which is filed in grace period, consider as grace period disclousure?

I filled two application 3 month apart and the first application is published before the second one's application date. My first application is classifed as "X" in the search report of the ...
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US66309967A and US3462767 flush valve

US66309967A and US3462767 flush valve patents. My father Harold F Larson & Robert L Schultz designed a few patents. They sold the rights I would like to know who?