Questions tagged [usa]

Questions specifically relating to the patent system of the United States of America.

94 questions
4
votes
1 answer

Is this patent valid in USA or Australia?

In reference to the patent: EP1195548A2
Adam
  • 41
  • 2
1
vote
0 answers

Specific Companies that use this patent

In reference to the patent: US3498685 What are the companies names that use this patent? Thank you
1
vote
1 answer

Inverted Umbrella

In reference to the patent: WO2011002413A1 I found this European patent for an "Improved Umbrella Design." How can I find out if there is a USA patent on this design?
Amy
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  • 1
1
vote
1 answer

What subsequent patents reference this patent?

In reference to the patent: US7713314
Hunt
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  • 1
0
votes
1 answer

Can I use the technology of this patent for a consumer product?

In reference to the patent: US5529301