IP Library Granted Patent US 6,425,448
Granted Patent Utility
US 6,425,448 · Confirmation No. 4216

METHOD AND SYSTEM FOR ACCESSING SUBTERRANEAN ZONES FROM A LIMITED SURFACE AREA

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Code Description Pages PDF
2001-01-30 TRNA Transmittal of New Application 3 View
2001-01-30 ADS Application Data Sheet 1 View
2001-01-30 SPEC Specification 41 View
2001-01-30 CLM Claims 18 View
2001-01-30 ABST Abstract 1 View
2001-01-30 DRW Drawings-only black and white line drawings 12 View
2001-01-30 OATH Oath or Declaration filed 4 View
2001-01-30 TRNA Transmittal of New Application 3 View
2001-01-30 ADS Application Data Sheet 1 View
2001-01-30 SPEC Specification 41 View
2001-01-30 CLM Claims 18 View
2001-01-30 ABST Abstract 1 View
2001-01-30 DRW Drawings-only black and white line drawings 12 View
2001-01-30 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,425,448
App. No.
09/773,217
Filed
2001-01-30
Granted
2002-07-30
Pub. No.
US20020100616A1
Art Unit
3673
PTA
-100 days