IP Library Patent Application 09917554
Patent Application Utility
App. No. 09/917,554 · Confirmation No. 4014

METHOD FOR FORMING A TRENCH IN A SEMICONDUCTOR SUBSTRATE

Inventor: Markus Kirchhoff
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
2003-10-31 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-30 PA.. Power of Attorney 1 View
2003-10-30 LET. Miscellaneous Incoming Letter 1 View
2003-10-30 DRW Drawings-only black and white line drawings 2 View
2001-07-27 TRNA Transmittal of New Application 1 View
2001-07-27 SPEC Specification 8 View
2001-07-27 CLM Claims 2 View
2001-07-27 ABST Abstract 1 View
2001-07-27 DRW Drawings-only black and white line drawings 2 View
2001-07-27 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/917,554
Filed
2001-07-27
Granted
2004-01-06
Pub. No.
US20020022338A1
Examiner
PHAM, LONG
Art Unit
2897
PTA
-23 days