IP Library › Granted Patent US 6,457,550
Granted Patent Utility
US 6,457,550 · Confirmation No. 2792

WEATHERPROOF SOUND ATTENUATING DEVICE

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 Code Description Pages PDF
2015-05-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-05-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-05-18 PA.. Power of Attorney 1 View
2015-05-18 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2015-05-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-05-18 TRAN.LET Transmittal Letter 1 View
2001-06-19 DRW Drawings-only black and white line drawings 2 View
2001-03-06 TRNA Transmittal of New Application 2 View
2001-03-06 SPEC Specification 9 View
2001-03-06 CLM Claims 5 View
2001-03-06 ABST Abstract 1 View
2001-03-06 DRW Drawings-only black and white line drawings 2 View
2001-03-06 OATH Oath or Declaration filed 4 View
2001-03-06 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,457,550
App. No.
09/800,186
Filed
2001-03-06
Granted
2002-10-01
Pub. No.
US20020125068A1
Art Unit
2837
PTA
-55 days