Pivot bar component of a tiltable window sash
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Description
FIG. 1 is a top, front, and right side perspective view of a pivot bar component of a tiltable window sash showing our new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged front elevational view thereof, the rear being a mirror image of that shown;
FIG. 4 is an enlarged right side elevational view thereof;
FIG. 5 is an enlarged left side elevational view thereof;
FIG. 6 is an enlarged bottom plan view thereof; and
FIG. 7 is a top, front, and left side perspective view of an alternative embodiment thereof, the only difference being that the alternative embodiment is a mirror image of that shown in FIG. 1.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D319576
Type: Grant
Filed: Jan 13, 1989
Date of Patent: Sep 3, 1991
Assignee: CertainTeed Corporation (Valley Forge, PA)
Inventors: Dennis Westphal (Galva, KS), Jonathan Piles (McPherson, KS)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Brian N. Vinson
Law Firm: Paul & Paul
Application Number: 7/297,532
Type: Grant
Filed: Jan 13, 1989
Date of Patent: Sep 3, 1991
Assignee: CertainTeed Corporation (Valley Forge, PA)
Inventors: Dennis Westphal (Galva, KS), Jonathan Piles (McPherson, KS)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Brian N. Vinson
Law Firm: Paul & Paul
Application Number: 7/297,532
Classifications
Current U.S. Class:
D/8400