IP Library › Granted Patent US 6,684,948
Granted Patent Utility Small
US 6,684,948 · Confirmation No. 9508

APPARATUS AND METHOD FOR HEATING SUBTERRANEAN FORMATIONS USING FUEL CELLS

Inventor: Marshall T. Savage
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2014-12-02 OATH Oath or Declaration filed 18 View
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-02 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-09-02 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2003-09-02 LET. Miscellaneous Incoming Letter 3 View
2003-09-02 DRW Drawings-only black and white line drawings 1 View
2002-01-15 TRNA Transmittal of New Application 3 View
2002-01-15 SPEC Specification 26 View
2002-01-15 CLM Claims 3 View
2002-01-15 ABST Abstract 1 View
2002-01-15 DRW Drawings-only black and white line drawings 9 View
2002-01-15 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,684,948
App. No.
10/053,207
Filed
2002-01-15
Granted
2004-02-03
Art Unit
3672
PTA
-120 days