IP Library › Granted Patent US 6,596,438
Granted Patent Utility
US 6,596,438 · Confirmation No. 5886

ALKALINE CELL WITH IMPROVED CATHODE

Inventor: Shuming Zeng
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2019-04-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-12 PA.. Power of Attorney 1 View
2019-04-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 39 View
2019-04-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-13 TRNA Transmittal of New Application 5 View
2001-06-13 SPEC Specification 42 View
2001-06-13 CLM Claims 5 View
2001-06-13 ABST Abstract 1 View
2001-06-13 DRW Drawings-only black and white line drawings 1 View
2001-06-13 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,596,438
App. No.
09/880,651
Filed
2001-06-13
Granted
2003-07-22
Pub. No.
US20030008211A1
Art Unit
1745
PTA
-120 days