IP Library Granted Patent US 6,737,616
Granted Patent Utility
US 6,737,616 · Confirmation No. 4838

OPEN COIL ELECTRIC RESISTANCE HEATER USING TWISTED RESISTANCE WIRES AND METHODS OF MAKING

Inventor: James L. Sherrill
Patented Case View Patent ↗
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Code Description Pages PDF
2004-10-05 WFEE Fee Worksheet (SB06) 1 View
2004-04-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-06 LET. Miscellaneous Incoming Letter 1 View
2004-04-06 DRW Drawings-only black and white line drawings 1 View
2003-04-02 TRNA Transmittal of New Application 4 View
2003-04-02 SPEC Specification 17 View
2003-04-02 CLM Claims 5 View
2003-04-02 ABST Abstract 1 View
2003-04-02 DRW Drawings-only black and white line drawings 1 View
2003-04-02 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,737,616
App. No.
10/404,086
Filed
2003-04-02
Granted
2004-05-18
Art Unit
3742
PTA
-43 days