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:
May. 29, 1984
Filed:
Feb. 16, 1983
Applicant:
Inventor:
Harold E McKelvey, Plymouth, MI (US);
Assignee:
Shatterproof Glass Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156382 ; 156385 ; 24 3 / ; 24303 ; 40600 ; 40621 ; 220230 ;
Abstract
A flexible vacuum bag for use in the lamination of glass sheets with an interposed layer of thermoplastic material, said bag having one initially open edge through which the laminations are introduced, and magnetic means for sealing said open edge to render the bag airtight during the laminating process.