IP Library › Granted Patent US 6,715,601
Granted Patent Utility
US 6,715,601 · Confirmation No. 4938

METHOD FOR CONTROL OF THE CHAIN DRIVE MECHANISMS OF UNDERGROUND WORKING MACHINES, ESPECIALLY CHAIN SCRAPER CONVEYORS, AND A CHAIN SCRAPER CONVEYOR

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2016-07-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-07-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-07-05 PA.. Power of Attorney 1 View
2016-07-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2016-07-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-02-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-21 TRNA Transmittal of New Application 2 View
2002-05-21 SPEC Specification 20 View
2002-05-21 CLM Claims 5 View
2002-05-21 ABST Abstract 1 View
2002-05-21 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,715,601
App. No.
10/152,604
Filed
2002-05-21
Granted
2004-04-06
Pub. No.
US20020195318A1
Art Unit
3651
PTA
-83 days