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App. No. 09/949,342 · Confirmation No. 9456

PARALLEL HANDSET ON-HOOK/OFF-HOOK DETECTION BY SOFTWARE-BASED SIGNAL POWER MEASUREMENT

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2009-12-30 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2003-11-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-21 C.AD Change of Address 1 View
2003-11-21 LET. Miscellaneous Incoming Letter 2 View
2001-12-13 TRNA Transmittal of New Application 2 View
2001-12-13 A.PE Preliminary Amendment 1 View
2001-12-13 DRW Drawings-only black and white line drawings 10 View
2001-12-13 OATH Oath or Declaration filed 2 View
2001-09-07 TRNA Transmittal of New Application 2 View
2001-09-07 SPEC Specification 29 View
2001-09-07 CLM Claims 6 View
2001-09-07 ABST Abstract 1 View
2001-09-07 DRW Drawings-only black and white line drawings 15 View
2001-09-07 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/949,342
Filed
2001-09-07
Granted
2004-02-03
Examiner
CHAN, WING F
Art Unit
2643
PTA
-64 days