IP Library › Patent Application 09720434
Patent Application Utility PCT National Stage
App. No. 09/720,434 · Confirmation No. 9975

CIRCUIT SYSTEM FOR AN INTEGRATED FUEL CELL SYSTEM

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2003-11-12 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-05-02 ABST Abstract 1 View
2001-05-02 LET. Miscellaneous Incoming Letter 103 View
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Quick Facts
App. No.
09/720,434
Filed
2001-05-02
Granted
2004-01-13
Art Unit
1745
PTA
0 days