IP Library › Patent Application 10030475
Patent Application Utility PCT National Stage
App. No. 10/030,475 · Confirmation No. 8425

DATA STORAGE MEDIUM WITH STEPPED WINDING CORE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2004-07-09 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-07-09 LET. Miscellaneous Incoming Letter 1 View
2002-02-20 ABST Abstract 1 View
2002-02-20 LET. Miscellaneous Incoming Letter 22 View
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Quick Facts
App. No.
10/030,475
Filed
2002-02-20
Effective Filing
2002-01-09
Granted
2004-09-07
Art Unit
2652
PTA
0 days