IP Library › Granted Patent US 6,612,424
Granted Patent Utility
US 6,612,424 · Confirmation No. 9162

DRIVE SHAFT FOR SCRAPER CHAIN CONVEYORS FOR DOUBLE INBOARD AND DOUBLE OUTER CHAIN CONVEYOR BELTS

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 Code Description Pages PDF
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
2003-06-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-22 TRNA Transmittal of New Application 2 View
2001-08-22 SPEC Specification 7 View
2001-08-22 CLM Claims 4 View
2001-08-22 ABST Abstract 1 View
2001-08-22 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,612,424
App. No.
09/934,802
Filed
2001-08-22
Granted
2003-09-02
Pub. No.
US20020050441A1
Art Unit
3651
PTA
-105 days