IP Library Patent Application 09879460
Patent Application Utility
App. No. 09/879,460 · Confirmation No. 6464

DEDICATED ECHO CANCELER FOR A WORKSTATION

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2011-01-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-01-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-22 PA.. Power of Attorney 1 View
2010-12-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-12-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-05-14 C.AD Change of Address 1 View
2008-05-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2008-05-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-11 TRNA Transmittal of New Application 3 View
2001-06-11 A.PE Preliminary Amendment 19 View
2001-06-11 SPEC Specification 69 View
2001-06-11 CLM Claims 4 View
2001-06-11 ABST Abstract 1 View
2001-06-11 DRW Drawings-only black and white line drawings 34 View
2001-06-11 OATH Oath or Declaration filed 6 View
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Quick Facts
App. No.
09/879,460
Filed
2001-06-11
Granted
2003-07-15
Pub. No.
US20010044826A1
Examiner
DINH, DUNG C
Art Unit
2153
PTA
-60 days