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Questions Answered by Rubaiat Mashraq
1 Answer | Asked in Patents (Intellectual Property) on
Q: US 20130320168 A1 Is this a utility patent or a design patent? Can I build a different design without infringing on it?
Rubaiat Mashraq
Rubaiat Mashraq
answered on Jan 30, 2016

US 20130320168 A1 "Mounting bracket for supporting an article" is a utility patent application, not a design patent. If you want to build a different machine (product) without infringing on it, you would have to make sure your product is not equivalent to this patent application or any... View More

1 Answer | Asked in Patents (Intellectual Property) on
Q: I want to buy expired patent US3456661. So what should I need to do?
Rubaiat Mashraq
Rubaiat Mashraq
answered on Jan 28, 2016

US 3456661 "Windproof umbrella" patent had effective filing date and priority date Feb 13, 1967. Patents are granted for 20 years, and accordingly this patent has expired long ago.

Once a patent is expired, the technology it covers falls in the public domain; that is, it is not...
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