Pivot bar component of a tiltable window sash

- CertainTeed Corporation
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
D263278 March 9, 1982 Toohil et al.
2305411 December 1942 Fitzpatrick
3844066 October 1974 Nobes
3861082 January 1975 Dau
4079549 March 21, 1978 Wood
4167835 September 18, 1979 Nobes
4363190 December 14, 1982 Anderson
4581850 April 15, 1986 Simpson
4837975 June 13, 1989 Simpson
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
Classifications
Current U.S. Class: D/8400