IP Library Patent Application 10009342
Patent Application Utility PCT National Stage
App. No. 10/009,342 · Confirmation No. 3800

FUEL CELL WITH POLYMER ELECTROLYTE MEMBRANE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2003-12-09 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-09 LET. Miscellaneous Incoming Letter 1 View
2003-12-09 DRW Drawings-only black and white line drawings 3 View
2003-09-10 LET. Miscellaneous Incoming Letter 1 View
2002-04-08 LET. Miscellaneous Incoming Letter 34 View
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Quick Facts
App. No.
10/009,342
Filed
2002-04-08
Effective Filing
2001-12-10
Granted
2004-03-16
Art Unit
1745
PTA
-99 days