IP Library › Granted Patent US 6,620,543
Granted Patent Utility
US 6,620,543 · Confirmation No. 4418

ELECTROCHEMICAL CELL HAVING CAN VENT AND COVER TERMINAL

Inventor: Huaxin Li
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2017-12-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-12-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-11-09 PA.. Power of Attorney 2 View
2017-11-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2017-11-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-07-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-09 TRNA Transmittal of New Application 2 View
2001-08-09 SPEC Specification 14 View
2001-08-09 CLM Claims 8 View
2001-08-09 ABST Abstract 1 View
2001-08-09 DRW Drawings-only black and white line drawings 3 View
2001-08-09 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,620,543
App. No.
09/925,196
Filed
2001-08-09
Granted
2003-09-16
Pub. No.
US20030031918A1
Art Unit
1745
PTA
0 days