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App. No. 10/452,924 · Confirmation No. 7590

METHODS AND APPARATUS FOR IMPROVED ENERGY EFFICIENT CONTROL OF AN ELECTRIC ARC FURNACE FUME EXTRACTION SYSTEM

Inventor: Stewart C. Jepson
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2004-04-26 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-03-09 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-03-09 NOA Notice of Allowance and Fees Due (PTOL-85) 2 View
2004-03-09 892 List of references cited by examiner 1 View
2004-03-09 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-03-09 FWCLM Index of Claims 1 View
2004-03-09 SRFW Search information including classification, databases and other search related notes 1 View
2004-03-05 SRNT Examiner's search strategy and results 3 View
2003-09-05 OATH Oath or Declaration filed 3 View
2003-09-05 LET. Miscellaneous Incoming Letter 1 View
2003-07-30 PEFN Pre-Exam Formalities Notice 2 View
2003-06-03 TRNA Transmittal of New Application 4 View
2003-06-03 SPEC Specification 16 View
2003-06-03 CLM Claims 5 View
2003-06-03 ABST Abstract 1 View
2003-06-03 DRW Drawings-only black and white line drawings 1 View
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Quick Facts
App. No.
10/452,924
Filed
2003-06-03
Granted
2004-06-08
Pub. No.
US20040017837A1
Examiner
HOANG, TU BA
Art Unit
3761
PTA
0 days