IP Library › Granted Patent US 6,520,257
Granted Patent Utility Small
US 6,520,257 · Confirmation No. 2209

METHOD AND APPARATUS FOR SURGE REDUCTION

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2016-06-15 PET.AUTO ePetition Request Form 2 View
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2016-06-15 PET.DEC.AUTO ePetition Grant Letter 1 View
2016-06-15 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-19 DRW Drawings-only black and white line drawings 15 View
2001-03-20 TRNA Transmittal of New Application 2 View
2001-03-20 SPEC Specification 16 View
2001-03-20 CLM Claims 8 View
2001-03-20 ABST Abstract 1 View
2001-03-20 DRW Drawings-only black and white line drawings 15 View
2001-03-20 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,520,257
App. No.
09/812,522
Filed
2001-03-20
Granted
2003-02-18
Pub. No.
US20020074128A1
Art Unit
3672
PTA
-71 days