IP Library › Patent Application 09839787
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App. No. 09/839,787 · Confirmation No. 2555

METALLIC BLOCKING LAYERS INTEGRALLY ASSOCIATED WITH FUEL CELL ELECTRODE STRUCTURES AND FUEL CELL ELECTRODE STACK ASSEMBLIES

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
2003-11-28 LET. Miscellaneous Incoming Letter 1 View
2003-11-28 DRW Drawings-only black and white line drawings 5 View
2003-11-28 ARTIFACT Artifact sheet indicating an item has been filed which cannot be scanned 1 View
2003-09-22 LET. Miscellaneous Incoming Letter 1 View
2003-09-22 DRW Drawings-only black and white line drawings 5 View
2003-09-22 ARTIFACT Artifact sheet indicating an item has been filed which cannot be scanned 1 View
2001-04-19 TRNA Transmittal of New Application 2 View
2001-04-19 SPEC Specification 16 View
2001-04-19 CLM Claims 3 View
2001-04-19 ABST Abstract 1 View
2001-04-19 DRW Drawings-only black and white line drawings 5 View
2001-04-19 OATH Oath or Declaration filed 1 View
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Quick Facts
App. No.
09/839,787
Filed
2001-04-19
Granted
2004-04-13
Pub. No.
US20020048703A1
Art Unit
1746
PTA
-56 days