IP Library › Patent Application 09890996
Patent Application Utility PCT National Stage
App. No. 09/890,996 · Confirmation No. 1801

METHOD OF WRITING SERVO SIGNAL ON MAGNETIC TAPE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2009-07-24 TRAN.LET Transmittal Letter 1 View
2009-07-24 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2009-07-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-06-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-25 LET. Miscellaneous Incoming Letter 17 View
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Quick Facts
App. No.
09/890,996
Filed
2002-03-25
Effective Filing
2001-08-07
Granted
2004-08-03
Examiner
TZENG, FRED
Art Unit
2651
PTA
0 days