IP Library › Granted Patent US 6,500,319
Granted Patent Utility
US 6,500,319 · Confirmation No. 3902

PROTON EXCHANGE MEMBRANE (PEM) ELECTROCHEMICAL CELL HAVING AN INTEGRAL, ELECTRICALLY-CONDUCTIVE, COMPRESSION PAD

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2020-11-17 SES.LOSS.ELC Notification of loss of entitlement to small entity status via Patent Application Information Retrieval (PAIR) 1 View
2020-11-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-11-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-10-21 PA.. Power of Attorney 2 View
2020-10-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2020-10-21 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2001-08-15 TRNA Transmittal of New Application 3 View
2001-08-15 DRW Drawings-only black and white line drawings 8 View
2001-04-05 TRNA Transmittal of New Application 3 View
2001-04-05 SPEC Specification 14 View
2001-04-05 CLM Claims 8 View
2001-04-05 ABST Abstract 1 View
2001-04-05 DRW Drawings-only black and white line drawings 8 View
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Quick Facts
Patent No.
US 6,500,319
App. No.
09/827,368
Filed
2001-04-05
Granted
2002-12-31
Pub. No.
US20020144898A1
Art Unit
1741
PTA
-127 days