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App. No. 09/998,531 · Confirmation No. 5394

METHOD AND APPARATUS FOR OPERATING AN ELECTROCHEMICAL FUEL CELL

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2003-10-01 CTNF Non-Final Rejection 7 View
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2001-11-29 SPEC Specification 17 View
2001-11-29 CLM Claims 5 View
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2001-11-29 LET. Miscellaneous Incoming Letter 1 View
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2001-11-29 SPEC Specification 17 View
2001-11-29 CLM Claims 5 View
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Quick Facts
App. No.
09/998,531
Filed
2001-11-29
Granted
2004-09-07
Pub. No.
US20020127444A1
Art Unit
1745
PTA
-7 days