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. 02, 1980
Filed:
Oct. 19, 1978
Applicant:
Inventors:
Gerald S Metcalf, Lower Burrell, PA (US);
Paul J Kovacik, Ford City, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
156285 ; 29464 ; 156556 ; 156580 ;
Abstract
Two sheets are brought into accurately controlled registry with one another to form a laminate by indexing and retaining each sheet on a separate vacuum platen and then bringing the platens together along a fixed locus.