IP Library Granted Patent US 6,790,023
Granted Patent Utility
US 6,790,023 · Confirmation No. 6422

SCREW EXTRUDER AND METHOD OF CONTROLLING THE SAME

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Code Description Pages PDF
2014-03-17 OATH Oath or Declaration filed 135 View
2001-04-05 TRNA Transmittal of New Application 1 View
2001-04-05 SPEC Specification 7 View
2001-04-05 CLM Claims 3 View
2001-04-05 ABST Abstract 1 View
2001-04-05 DRW Drawings-only black and white line drawings 4 View
2001-04-05 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,790,023
App. No.
09/828,032
Filed
2001-04-05
Granted
2004-09-14
Pub. No.
US20020146475A1
Art Unit
1753
PTA
-1290 days