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:
Nov. 09, 2010
Filed:
Apr. 04, 2007
Michael Buchanan, Cranberry Township, PA (US);
Mehran Arbab, Pittsburgh, PA (US);
Stephen L. Crandell, Cranberry Township, PA (US);
William B. Davis, Fom Bell, PA (US);
Barent A. Rosskamp, Butler, PA (US);
William R. Siskos, Delmont, PA (US);
Cory D. Steffek, Evanston, IL (US);
Michael Buchanan, Cranberry Township, PA (US);
Mehran Arbab, Pittsburgh, PA (US);
Stephen L. Crandell, Cranberry Township, PA (US);
William B. Davis, Fom Bell, PA (US);
Barent A. Rosskamp, Butler, PA (US);
William R. Siskos, Delmont, PA (US);
Cory D. Steffek, Evanston, IL (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
The present invention provides spacer stock for making a spacer frame for a multi-sheet unit. The spacer stock includes a first supporting surface; a second supporting surface opposite to, and facing away from, the first supporting surface; a base surface between and connecting the first and second supporting surfaces, and wherein the first and second supporting surfaces and base surface are made of plastic and rate of moisture and/or gas movement through portions of the first and second supporting surfaces is greater than the rate of moisture and/or gas movement, respectively through the base surface.