IP Library › Granted Patent US 6,431,250
Granted Patent Utility
US 6,431,250 · Confirmation No. 4971

APPARATUS AND METHOD FOR WINDLOCKING A BUILDING OPENING

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 Code Description Pages PDF
2019-11-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-11-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-11-02 PA.. Power of Attorney 1 View
2019-11-02 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-11-02 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2001-05-09 TRNA Transmittal of New Application 3 View
2001-05-09 SPEC Specification 59 View
2001-05-09 CLM Claims 4 View
2001-05-09 ABST Abstract 1 View
2001-05-09 DRW Drawings-only black and white line drawings 58 View
2001-05-09 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,431,250
App. No.
09/851,869
Filed
2001-05-09
Granted
2002-08-13
Pub. No.
US20010027848A1
Art Unit
3634
PTA
-1 days