IP Library › Granted Patent US 6,575,696
Granted Patent Utility
US 6,575,696 · Confirmation No. 3591

METHOD OF SOUND ATTENUATION IN CENTRIFUGAL BLOWERS

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 Code Description Pages PDF
2012-03-27 PA.. Power of Attorney 1 View
2012-03-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2012-03-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-08-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-08-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-08-07 PA.. Power of Attorney 2 View
2008-08-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-08-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-09-11 TRNA Transmittal of New Application 3 View
2001-09-11 SPEC Specification 9 View
2001-09-11 CLM Claims 3 View
2001-09-11 ABST Abstract 1 View
2001-09-11 DRW Drawings-only black and white line drawings 8 View
2001-09-11 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,575,696
App. No.
09/951,277
Filed
2001-09-11
Granted
2003-06-10
Art Unit
3745
PTA
-92 days