IP Library Granted Patent US 6,554,049
Granted Patent Utility Small
US 6,554,049 · Confirmation No. 1962

PROCESS FOR RECOVERING SAND AND BENTONITE CLAY USED IN A FOUNDRY

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Code Description Pages PDF
2001-05-15 TRNA Transmittal of New Application 2 View
2001-05-15 ADS Application Data Sheet 1 View
2001-05-15 SPEC Specification 18 View
2001-05-15 CLM Claims 5 View
2001-05-15 ABST Abstract 1 View
2001-05-15 DRW Drawings-only black and white line drawings 3 View
2001-05-15 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,554,049
App. No.
09/858,060
Filed
2001-05-15
Granted
2003-04-29
Pub. No.
US20030029592A1
Art Unit
1725
PTA
-81 days