0

Could you please tell me whether patent number US5715629 is still in force?

2

The Application Data tab for this patent on the Public Patent Application Information Retrieval (PAIR) site (http://portal.uspto.gov/pair/PublicPair) indicates "Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362"

  • 1
    You can also see this information reflected on the google patents page, at the bottom. – George White Feb 10 '14 at 3:04

Your Answer

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies.

Not the answer you're looking for? Browse other questions tagged or ask your own question.