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:
Apr. 08, 1997
Filed:
Sep. 15, 1995
Applicant:
Inventor:
Albert E Thompson, Jr, New Kensington, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C / ;
U.S. Cl.
CPC ...
5278613 ; 527861 ; 5278611 ; 5280014 ;
Abstract
A spacer stock and/or spacer frame having a pair of spaced outer legs joined by a base has a strengthening member integral with the base or an insert between the legs to reduce the degree of torsional twist of the spacer stock and/or spacer frame. In one embodiment during the forming of the spacer stock a 'T' shaped member is formed integral with the base to reduce the degree of torsional twist.