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App. No. 09/812,535 · Confirmation No. 2575

IN-SITU DETECTION OF THIN-METAL INTERFACE USING OPTICAL INTERFERENCE

Inventor: Sundar Amartur
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2003-10-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-24 LET. Miscellaneous Incoming Letter 1 View
2003-10-24 DRW Drawings-only black and white line drawings 8 View
2001-06-14 DRW Drawings-only black and white line drawings 8 View
2001-03-19 TRNA Transmittal of New Application 2 View
2001-03-19 SPEC Specification 22 View
2001-03-19 CLM Claims 6 View
2001-03-19 ABST Abstract 1 View
2001-03-19 DRW Drawings-only black and white line drawings 8 View
2001-03-19 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/812,535
Filed
2001-03-19
Granted
2003-12-16
Art Unit
2862
PTA
-4 days