IP Library › Granted Patent US 6,681,760
Granted Patent Utility
US 6,681,760 · Confirmation No. 2485

DIRECT -FIRED HEATER

Inventor: Daniel P. Topp
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2015-08-17 IMIS Miscellaneous Internal Document 1 View
2012-07-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-07-05 PA.. Power of Attorney 1 View
2012-07-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2012-07-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-06-25 TRNA Transmittal of New Application 3 View
2002-06-25 A.PE Preliminary Amendment 2 View
2002-06-25 SPEC Specification 13 View
2002-06-25 CLM Claims 6 View
2002-06-25 ABST Abstract 1 View
2002-06-25 DRW Drawings-only black and white line drawings 6 View
2002-06-25 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,681,760
App. No.
10/183,713
Filed
2002-06-25
Granted
2004-01-27
Pub. No.
US20020174862A1
Art Unit
3743
PTA
-34 days