IP Library › Granted Patent US 6,797,238
Granted Patent Utility
US 6,797,238 · Confirmation No. 3694

APPARATUS AND PROCESS FOR VAPORIZING A HEAVY HYDROCARBON FEEDSTOCK WITH STEAM

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2004-08-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-05-18 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-05-18 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-05-18 1449 List of References cited by applicant and considered by examiner 1 View
2004-05-18 892 List of references cited by examiner 1 View
2004-05-18 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-05-18 FWCLM Index of Claims 1 View
2004-05-18 SRFW Search information including classification, databases and other search related notes 1 View
2004-05-11 SRNT Examiner's search strategy and results 1 View
2004-04-19 ELC. Response to Election / Restriction Filed 1 View
2004-03-19 CTRS Requirement for Restriction/Election 4 View
2004-03-19 FWCLM Index of Claims 1 View
2001-10-18 PEFR Applicant Response to Pre-Exam Formalities Notice 3 View
2001-10-18 XT/ Extension of Time 1 View
2001-10-18 ABST Abstract 1 View
2001-10-18 TRNA Transmittal of New Application 3 View
2001-10-18 ABST Abstract 1 View
2001-10-02 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2001-08-22 OATH Oath or Declaration filed 2 View
2001-08-22 A.PE Preliminary Amendment 2 View
2001-08-22 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2001-08-22 FRPR Certified Copy of Foreign Priority Application 28 View
2001-07-03 PEFN Pre-Exam Formalities Notice 1 View
2001-05-08 WFEE Fee Worksheet (SB06) 1 View
2001-05-08 WFEE Fee Worksheet (SB06) 1 View
2001-05-08 WCLM Claims Worksheet (PTO-2022) 1 View
2001-05-08 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2001-05-08 FOR Foreign Reference 10 View
2001-05-08 TRNA Transmittal of New Application 2 View
2001-05-08 SPEC Specification 15 View
2001-05-08 CLM Claims 4 View
2001-05-08 ABST Abstract 2 View
2001-05-08 DRW Drawings-only black and white line drawings 1 View
2001-05-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,797,238
App. No.
09/850,943
Filed
2001-05-08
Granted
2004-09-28
Pub. No.
US20020028977A1
Art Unit
1725
PTA
-46 days