IP Library Patent Application 10241985
Patent Application Utility Small
App. No. 10/241,985 · Confirmation No. 1739

MEASURING THE SURFACE PROPERTIES OF POLISHING PADS USING ULTRASONIC REFLECTANCE

Inventor: Yaw S. Obeng
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2003-12-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-20 LET. Miscellaneous Incoming Letter 1 View
2003-11-20 DRW Drawings-only black and white line drawings 16 View
2002-09-12 TRNA Transmittal of New Application 3 View
2002-09-12 SPEC Specification 26 View
2002-09-12 CLM Claims 6 View
2002-09-12 ABST Abstract 1 View
2002-09-12 DRW Drawings-only black and white line drawings 15 View
2002-09-12 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
10/241,985
Filed
2002-09-12
Granted
2004-02-03
Art Unit
2855
PTA
-76 days