Interlock switch housing

- Hubbell Incorporated
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Description

FIG. 1 is a perspective view of an interlock switch in accordance with the invention;

FIG. 2 is a front elevation of the interlock switch of FIG. 1;

FIG. 3 is a bottom plan view of the interlock switch of FIGS. 1 and 2;

FIG. 4 is a right side elevation of the interlock switch;

FIG. 5 is a left side elevation of the interlock switch;

FIG. 6 is a rear elevation of the interlock switch; and,

FIG. 7 is a rear perspective view of the interlock switch.

The broken lines in FIGS. 6 and 7 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D274145 June 5, 1984 Kimberlin
3735078 May 1973 Appleton et al.
4503293 March 5, 1985 Knecht
4553000 November 12, 1985 Appleton
4713498 December 15, 1987 Ludwig et al.
5243157 September 7, 1993 Hoffman
Patent History
Patent number: D354738
Type: Grant
Filed: May 20, 1993
Date of Patent: Jan 24, 1995
Assignee: Hubbell Incorporated (Orange, CT)
Inventors: Jerome E. Zimmermann (Southington, CT), John J. Dennison (Southington, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorneys: Jerry M. Presson, Walter C. Farley
Application Number: 0/8,620