IP Library Granted Patent US 6,608,309
Granted Patent Utility
US 6,608,309 · Confirmation No. 1051

METHOD FOR MEASURING CONCENTRATION OF TRACE AMOUNT OF OH-GROUPS CONTAINED IN QUARTZ GLASS

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Code Description Pages PDF
2009-10-28 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2009-09-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-04-27 TRNA Transmittal of New Application 2 View
2001-04-27 SPEC Specification 14 View
2001-04-27 CLM Claims 2 View
2001-04-27 ABST Abstract 1 View
2001-04-27 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,608,309
App. No.
09/844,119
Filed
2001-04-27
Granted
2003-08-19
Pub. No.
US20020096636A1
Art Unit
2878
PTA
-279 days