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App. No. 09/851,907 · Confirmation No. 3957

CONDENSER MICROPHONE

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
2009-08-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-08-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-08-07 PA.. Power of Attorney 1 View
2009-08-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-08-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-09-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-21 LET. Miscellaneous Incoming Letter 1 View
2003-08-21 PA.. Power of Attorney 2 View
2001-05-09 TRNA Transmittal of New Application 2 View
2001-05-09 SPEC Specification 4 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 1 View
2001-05-09 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/851,907
Filed
2001-05-09
Granted
2003-11-25
Pub. No.
US20020168076A1
Art Unit
2643
PTA
0 days