IP Library › Granted Patent US 6,504,618
Granted Patent Utility
US 6,504,618 · Confirmation No. 9998

METHOD AND APPARATUS FOR DECREASING THERMAL LOADING AND ROUGHNESS SENSITIVITY IN A PHOTOACOUSTIC FILM THICKNESS MEASUREMENT SYSTEM

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2020-07-02 OATH Oath or Declaration filed 84 View
2006-09-26 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-03-06 TRNA Transmittal of New Application 2 View
2002-03-06 SPEC Specification 21 View
2002-03-06 CLM Claims 6 View
2002-03-06 ABST Abstract 1 View
2002-03-06 DRW Drawings-only black and white line drawings 7 View
2002-03-06 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,504,618
App. No.
10/092,866
Filed
2002-03-06
Granted
2003-01-07
Pub. No.
US20020135784A1
Art Unit
2877
PTA
-49 days