IP Library › Granted Patent US 6,570,269
Granted Patent Utility
US 6,570,269 · Confirmation No. 4313

METHOD AND APPARATUS FOR SUPPLYING POWER TO A LOAD CIRCUIT FROM ALTERNATE ELECTRIC POWER SOURCES

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2019-03-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-03-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-03-22 MFEE.C.AD Maintenance Fee Address Change 2 View
2019-03-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-03-22 PA.. Power of Attorney 2 View
2019-03-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2010-08-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-24 PA.. Power of Attorney 1 View
2010-08-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-08-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-29 DRW Drawings-only black and white line drawings 6 View
2001-03-27 TRNA Transmittal of New Application 2 View
2001-03-27 SPEC Specification 24 View
2001-03-27 CLM Claims 10 View
2001-03-27 ABST Abstract 1 View
2001-03-27 DRW Drawings-only black and white line drawings 8 View
2001-03-27 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,570,269
App. No.
09/819,113
Filed
2001-03-27
Granted
2003-05-27
Pub. No.
US20020057146A1
Art Unit
2836
PTA
0 days