Housing for a magnetic contact switch

- Sentrol, Inc.
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Description

FIG. 1 is a pictorial view of a housing for a magnetic contact switch embodying our new design as seen from the upper left front;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a right end elevational view thereof; and

FIG. 7 is a back elevational view thereof.

Referenced Cited
U.S. Patent Documents
D121273 July 1940 Davis
3209097 September 1965 Shlesinger
3691490 September 1972 Ragni
Other references
  • Sentrol, Inc., Catalog page, 12-2-77, Magnetic Contact Switch.
Patent History
Patent number: D255030
Type: Grant
Filed: Oct 23, 1978
Date of Patent: May 20, 1980
Assignee: Sentrol, Inc. (Beaverton, OR)
Inventors: Thomas J. Holce (Portland, OR), Charles M. Huckins (Tigard, OR)
Primary Examiner: Susan J. Lucas
Law Firm: Chernoff & Vilhauer
Application Number: 5/953,581
Classifications
Current U.S. Class: D13/32
International Classification: D1303;