IP Library Patent Application 09847461
Patent Application Utility
App. No. 09/847,461 · Confirmation No. 6946

ABRADED FLUID DIFFUSION LAYER FOR 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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2004-02-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-17 LET. Miscellaneous Incoming Letter 2 View
2004-02-17 DRW Drawings-only black and white line drawings 6 View
2003-09-05 RCEX Request for Continued Examination (RCE) 4 View
2003-09-05 IDS Information Disclosure Statement (IDS) Form (SB08) 6 View
2003-09-05 FOR Foreign Reference 46 View
2003-09-05 FOR Foreign Reference 11 View
2001-05-02 TRNA Transmittal of New Application 4 View
2001-05-02 SPEC Specification 25 View
2001-05-02 CLM Claims 7 View
2001-05-02 ABST Abstract 1 View
2001-05-02 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
App. No.
09/847,461
Filed
2001-05-02
Granted
2004-04-06
Pub. No.
US20020192536A1
Art Unit
1746
PTA
-54 days