IP Library › Patent Application 09999298
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App. No. 09/999,298 · Confirmation No. 6639

SECOND-ORDER ADAPTIVE DIFFERENTIAL MICROPHONE ARRAY

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
2022-04-15 OATH Oath or Declaration filed 225 View
2014-07-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-11-30 TRNA Transmittal of New Application 1 View
2001-11-30 SPEC Specification 12 View
2001-11-30 CLM Claims 5 View
2001-11-30 ABST Abstract 1 View
2001-11-30 DRW Drawings-only black and white line drawings 12 View
2001-11-30 OATH Oath or Declaration filed 4 View
2001-11-30 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/999,298
Filed
2001-10-30
Granted
2003-06-24
Pub. No.
US20030031328A1
Art Unit
2644
PTA
-61 days