IP Library Granted Patent US 6,622,772
Granted Patent Utility Small
US 6,622,772 · Confirmation No. 4905

METHOD FOR FORMING SAND MOLDS AND MATCHPLATE MOLDING MACHINE FOR ACCOMPLISHING SAME

Inventor: William A. Hunter
Patented Case View Patent ↗
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Code Description Pages PDF
2002-04-26 TRNA Transmittal of New Application 2 View
2002-04-26 ADS Application Data Sheet 3 View
2002-04-26 SPEC Specification 19 View
2002-04-26 CLM Claims 11 View
2002-04-26 ABST Abstract 1 View
2002-04-26 DRW Drawings-only black and white line drawings 31 View
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Quick Facts
Patent No.
US 6,622,772
App. No.
10/133,824
Filed
2002-04-26
Granted
2003-09-23
Examiner
TRAN, LEN
Art Unit
1725
PTA
-117 days