Roller housing for a gliding window sash

- CertainTeed Corporation
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Description

FIG. 1 is an end, top and front perspective view of a roller housing for a gliding window sash;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 4 is an end elevational view thereof, the opposite end being a mirror image; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D228171 August 1973 Northrup
D228375 September 1973 Northrup
3670357 June 1972 Steigerwald
3698036 October 1972 Goodman
3978617 September 7, 1976 Eventoff
4006513 February 8, 1977 Offterdinger
4089135 May 16, 1978 Beny
4126912 November 28, 1978 Johnson
4166494 September 4, 1979 Utting
4262451 April 21, 1981 Dallaire
4633615 January 6, 1987 Moose
4633616 January 6, 1987 Giguere
4850078 July 25, 1989 Libby et al.
Patent History
Patent number: D321126
Type: Grant
Filed: Nov 4, 1988
Date of Patent: Oct 29, 1991
Assignee: CertainTeed Corporation (Valley Forge, PA)
Inventors: Dennis Westphal (Galva, KS), Jonathan Piles (McPherson, KS)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Paul & Paul
Application Number: 7/266,988
Classifications
Current U.S. Class: D/8380