IP Library Granted Patent US 6,722,489
Granted Patent Utility Small
US 6,722,489 · Confirmation No. 4572

SCREW CONVEYOR ARM FOR DRY MATERIAL

Inventor: Anthony J. Cook
Patented Case View Patent ↗
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Code Description Pages PDF
2004-03-01 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-02-18 TRNA Transmittal of New Application 4 View
2003-02-18 SPEC Specification 5 View
2003-02-18 CLM Claims 2 View
2003-02-18 ABST Abstract 1 View
2003-02-18 DRW Drawings-only black and white line drawings 2 View
2003-02-18 OATH Oath or Declaration filed 1 View
2003-02-18 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,722,489
App. No.
10/368,124
Filed
2003-02-18
Granted
2004-04-20
Art Unit
3651
PTA
0 days