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:
Feb. 17, 2009
Filed:
Jun. 23, 2004
Cory D. Steffek, Pittsburgh, PA (US);
Mehran Arbab, Pittsburgh, PA (US);
Stephen L. Crandell, Cranberry Township, PA (US);
William B. Davis, Zelienople, PA (US);
Raymond G. Gallagher, Pittsburgh, PA (US);
William Klingensmith, Pittsburgh, PA (US);
Barent A. Rosskamp, Butler, PA (US);
Cory D. Steffek, Pittsburgh, PA (US);
Mehran Arbab, Pittsburgh, PA (US);
Stephen L. Crandell, Cranberry Township, PA (US);
William B. Davis, Zelienople, PA (US);
Raymond G. Gallagher, Pittsburgh, PA (US);
William Klingensmith, Pittsburgh, PA (US);
Barent A. Rosskamp, Butler, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
An integrated window sash includes a sash frame having a first sheet supporting surface, a second sheet supporting surface spaced from the first sheet supporting surface, and a base between the first and second sheet supporting surfaces, the base defining an opening; a first sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the first sheet secured to the first sheet supporting surface, the first sheet sized to pass through the opening toward the first sheet supporting surface; a second sheet having a first major surface and an opposite second major surface with marginal edge portions of the first surface of the second sheet secured to the second sheet supporting surface, the second sheet sized to be larger than the opening, wherein the first major surface of the second sheet faces the second major surface of the first sheet and is spaced therefrom to provide a compartment between the sheets; and a retainer mounted on the base between the sheets and having a first end portion engaging surface portions of the second surface of the first sheet and an opposite second end portion secured to the base.