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:
Dec. 28, 1976
Filed:
Nov. 10, 1975
Applicant:
Inventor:
Harold E McKelvey, Plymouth, MI (US);
Assignee:
Shatterproof Glass Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
5230914 ; 52404 ; 52616 ; 428 71 ;
Abstract
An insulated building element for use as a spandrel in facing the exterior walls of buildings comprising inner and outer spaced parallel sheets or plates of glass sealed together around their peripheral edges to form a dead air space therebetween and a substantially rigid sheet or layer of a foamed or expanded cellular plastic material disposed between the glass sheets and substantially filling the space therebetween. A thin film of a reflective metal may be applied to the inner surface of the outer glass sheet.