Download Docs
Export

PROCESS FOR FORMING AN INTEGRAL GASKET ON A BIPOLAR PLATE FOR A PEM FUEL CELL

10/256,770 | U.S. Patent Application

Interested in this case?

To schedule a demo, contact us at sales@docketalarm.com. Track this case, and find millions of cases like it, let us show you how.
Location ELECTRONIC
Filed Sept. 27, 2002
Examiner MARK RUTHKOSKY
Class 429
Art Group 1745
Patent No. 7,001,686
Case Type Utility - 429/036000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 6 years, 6 months ago
Date # Transaction