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App. No. 09/855,080 · Confirmation No. 8627

HIGH PERFORMANCE SWITCHED-CAPACITOR FILTER FOR OVERSAMPLING SIGMA-DELTA DIGITAL TO ANALOG CONVERTERS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2021-11-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-11-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-10-27 PA.. Power of Attorney 2 View
2021-10-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2021-10-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2011-05-09 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-05-14 TRNA Transmittal of New Application 2 View
2001-05-14 SPEC Specification 20 View
2001-05-14 CLM Claims 4 View
2001-05-14 ABST Abstract 1 View
2001-05-14 DRW Drawings-only black and white line drawings 11 View
2001-05-14 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/855,080
Filed
2001-05-14
Granted
2003-09-02
Art Unit
2819
PTA
-149 days