IP Library Granted Patent US 6,634,431
Granted Patent Utility
US 6,634,431 · Confirmation No. 1936

ISOLATION OF SUBTERRANEAN ZONES

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Code Description Pages PDF
2011-03-01 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2006-06-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-19 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-10-03 TRNA Transmittal of New Application 2 View
2001-10-03 ADS Application Data Sheet 3 View
2001-10-03 SPEC Specification 39 View
2001-10-03 CLM Claims 15 View
2001-10-03 ABST Abstract 1 View
2001-10-03 DRW Drawings-only black and white line drawings 11 View
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Quick Facts
Patent No.
US 6,634,431
App. No.
09/969,922
Filed
2001-10-03
Granted
2003-10-21
Pub. No.
US20020148612A1
Examiner
TSAY, FRANK
Art Unit
3672
PTA
-91 days