Housing for electrical equipment

- Northern Telecom Limited
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Description

FIG. 1 is a top, front and left side perspective view of a housing for electrical equipment showing our new design;

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 a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof, the side opposite being a mirror image;

FIG. 6 is a top, front and left side perspective view of a second embodiment thereof, the top view being the same as that of FIG. 1, and the undisclosed rear and right side views being mirror images of the front view and left side elevational views of those shown in FIG. 6;

FIG. 7 is a top, front and left side perspective view of a third embodiment of indeterminate height thereof, the undisclosed rear and right side view being mirror images of those shown in FIG. 7; and

FIG. 8 is a top, front and left side perspective views of a fourth embodiment thereof, the undisclosed rear and right side views being mirror images of those shown in FIG. 7, and the bottom plan views of second and third embodiments being identical to FIG. 4 of the first embodiment, and the bottom plan of the fourth embodiment being identical to two bottom plan views of FIG. 4 is axial alignment.

Referenced Cited
U.S. Patent Documents
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D203988 March 1966 Sethmary et al.
D206802 January 1967 Wiener et al.
D271970 December 27, 1983 Velsher et al.
D284187 June 10, 1986 Brown et al.
D287360 December 23, 1986 Lehmann
D297837 September 27, 1988 Shibuya et al.
D299455 January 17, 1989 Pushelberg et al.
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D309605 July 31, 1990 Fortune et al.
Patent History
Patent number: D318874
Type: Grant
Filed: Jul 11, 1989
Date of Patent: Aug 6, 1991
Assignee: Northern Telecom Limited (Montreal)
Inventors: Floyd J. Pushelberg (Ottawa), Stephen R. Ennis (Fremont, CA), Stanley W. Heldenbrand (San Jose, CA), Howard R. Cederberg (Danville, CA)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Foley & Lardner
Application Number: 7/378,812