IP Library › Patent Application 09888397
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App. No. 09/888,397 · Confirmation No. 9472

METHOD OF PREVENT AN ETCHER FROM BEING ERODED

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
2003-10-20 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-06-26 TRNA Transmittal of New Application 1 View
2001-06-26 SPEC Specification 7 View
2001-06-26 CLM Claims 2 View
2001-06-26 ABST Abstract 1 View
2001-06-26 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/888,397
Filed
2001-06-26
Granted
2003-12-16
Pub. No.
US20020074018A1
Art Unit
1746
PTA
-55 days