IP Library › Granted Patent US 6,628,220
Granted Patent Utility
US 6,628,220 · Confirmation No. 5229

CIRCUIT FOR CANCELING THERMAL HYSTERESIS IN A CURRENT SWITCH

Inventor: Albert E. Cosand
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2012-11-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-11-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-11-04 PA.. Power of Attorney 1 View
2012-11-04 LET. Miscellaneous Incoming Letter 1 View
2012-11-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-11-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2005-01-14 WFEE Fee Worksheet (SB06) 1 View
2005-01-14 WCLM Claims Worksheet (PTO-2022) 1 View
2003-07-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-28 C.AD Change of Address 1 View
2003-07-28 LET. Miscellaneous Incoming Letter 1 View
2003-07-28 DRW Drawings-only black and white line drawings 2 View
2002-01-31 TRNA Transmittal of New Application 2 View
2002-01-31 SPEC Specification 11 View
2002-01-31 CLM Claims 5 View
2002-01-31 ABST Abstract 1 View
2002-01-31 DRW Drawings-only black and white line drawings 2 View
2002-01-31 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,628,220
App. No.
10/066,011
Filed
2002-01-31
Granted
2003-09-30
Pub. No.
US20030141924A1
Art Unit
2819
PTA
-3 days