The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2009
Filed:
Jul. 26, 2005
Applicants:
Scott W. Biederman, New Boston, NH (US);
Timothy S. Rider, Exeter, NH (US);
Inventors:
Scott W. Biederman, New Boston, NH (US);
Timothy S. Rider, Exeter, NH (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention involves the real-time, NIR-spectroscopic, closed-loop control of the blowing agent content of polymer beads used to make lost foam casting patterns.