IP Library Patent Application 09878331
Patent Application Utility
App. No. 09/878,331 · Confirmation No. 2148

MAGNETIC RECORD WRITING CIRCUIT

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
2004-03-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-06-12 TRNA Transmittal of New Application 2 View
2001-06-12 ADS Application Data Sheet 2 View
2001-06-12 A.PE Preliminary Amendment 11 View
2001-06-12 SPEC Specification 13 View
2001-06-12 CLM Claims 2 View
2001-06-12 ABST Abstract 1 View
2001-06-12 DRW Drawings-only black and white line drawings 5 View
2001-06-12 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
09/878,331
Filed
2001-06-12
Granted
2004-05-04
Pub. No.
US20020105747A1
Examiner
FABER, ALAN
Art Unit
2651
PTA
-30 days