IP Library › Granted Patent US 6,744,978
Granted Patent Utility
US 6,744,978 · Confirmation No. 9298

SMALL DIAMETER LOW WATT DENSITY IMMERSION HEATING ELEMENT

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2017-08-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-08-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-08-21 PA.. Power of Attorney 1 View
2017-08-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2017-08-21 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-08-13 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-02-01 C.AD Change of Address 1 View
2008-02-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-04-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-18 TRNA Transmittal of New Application 4 View
2002-01-18 DRW Drawings-only black and white line drawings 3 View
2001-07-19 TRNA Transmittal of New Application 5 View
2001-07-19 SPEC Specification 27 View
2001-07-19 CLM Claims 5 View
2001-07-19 ABST Abstract 1 View
2001-07-19 DRW Drawings-only black and white line drawings 3 View
2001-07-19 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,744,978
App. No.
09/908,863
Filed
2001-07-19
Granted
2004-06-01
Pub. No.
US20020127006A1
Art Unit
3742
PTA
-183 days