Overload switch

Description

FIG. 1 is a front and upper left perspective view of an overload switch showing my new design;

FIG. 2 is a front and lower left perspective view thereof;

FIG. 3 is a right end elevational view of an overload switch showing my new design on a reduced scale;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D277903 March 12, 1985 Nicol
2649691 July 1953 Ingwersen
2986620 May 1961 Bullock et al.
3038047 June 1962 Marquis
3307122 February 1967 Ellenberger
3443043 May 1969 Schmid-Zeller et al.
Other references
  • Push Button Switch 0725-0004 on p. 23 of McGill Specialty Catalog.
Patent History
Patent number: D325377
Type: Grant
Filed: Feb 13, 1990
Date of Patent: Apr 14, 1992
Assignee: Ellenberger & Poensgen GmbH (Altdorf)
Inventor: Fritz Krasser (Altdorf)
Primary Examiner: Susan J. Lucas
Assistant Examiner: J. Sincavage
Law Firm: Spencer, Frank & Schneider
Application Number: 7/479,592