IP Library Granted Patent US 6,660,131
Granted Patent Utility
US 6,660,131 · Confirmation No. 7183

COKE DRUM BOTTOM DE-HEADING SYSTEM

Inventor: Ruben F. Lah
⬇ PDF
Code Description Pages PDF
2015-07-06 OATH Oath or Declaration filed 13 View
2007-06-25 LET. Miscellaneous Incoming Letter 2 View
2007-06-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2006-08-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-10-06 IFEE Issue Fee Payment (PTO-85B) 3 View
2003-10-06 LET. Miscellaneous Incoming Letter 3 View
2003-10-06 DRW Drawings-only black and white line drawings 14 View
2002-03-11 TRNA Transmittal of New Application 5 View
2002-03-11 SPEC Specification 45 View
2002-03-11 CLM Claims 15 View
2002-03-11 ABST Abstract 1 View
2002-03-11 DRW Drawings-only black and white line drawings 14 View
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Quick Facts
Patent No.
US 6,660,131
App. No.
10/096,301
Filed
2002-03-11
Granted
2003-12-09
Pub. No.
US20020170814A1
Art Unit
1764
PTA
-46 days