IP Library › Granted Patent US 6,639,389
Granted Patent Utility
US 6,639,389 · Confirmation No. 3664

ARRANGEMENT AND METHOD FOR PROTECTING MULTIPLE VOLTAGE SUPPLY SYSTEMS AGAINST VOLTAGE ARC-OVER BETWEEN DIFFERENT VOLTAGE PLANES AND AGAINST POLE REVERSAL FROM THE OUTSIDE

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2012-03-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-03-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-03-14 PA.. Power of Attorney 2 View
2012-03-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-03-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-18 TRNA Transmittal of New Application 1 View
2002-03-18 SPEC Specification 14 View
2002-03-18 CLM Claims 4 View
2002-03-18 ABST Abstract 1 View
2002-03-18 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,639,389
App. No.
10/098,609
Filed
2002-03-18
Granted
2003-10-28
Pub. No.
US20020130643A1
Art Unit
2838
PTA
-120 days