IP Library Patent Application 09849449
Patent Application Utility
App. No. 09/849,449 · Confirmation No. 8652

FUEL CELL SYSTEM HAVING A FUEL CELL STACK WITH INTEGRATED POLARITY REVERSAL PROTECTION DIODE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2010-12-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-13 PA.. Power of Attorney 1 View
2010-12-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2010-12-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-01-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-12 PA.. Power of Attorney 2 View
2009-01-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 8 View
2009-01-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-07 TRNA Transmittal of New Application 1 View
2001-05-07 SPEC Specification 15 View
2001-05-07 CLM Claims 4 View
2001-05-07 ABST Abstract 1 View
2001-05-07 DRW Drawings-only black and white line drawings 2 View
2001-05-07 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/849,449
Filed
2001-05-07
Granted
2003-04-29
Pub. No.
US20020009624A1
Art Unit
1745
PTA
-7 days