Pneumatically-operated switch

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Description

FIG. 1 is a top plan view of pneumatically-operated switch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; the left side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of the front thereof showing the top and one side; and

FIG. 7 is a perspective view of the back thereof showing the bottom and one side.

Referenced Cited
U.S. Patent Documents
3902028 August 1975 Tremain
Other references
  • Barber-Colman Co. Leaflet, p. 7, Electrical Component, top.
Patent History
Patent number: D250949
Type: Grant
Filed: Dec 16, 1976
Date of Patent: Jan 30, 1979
Assignee: United Electric Controls Company (Watertown, MA)
Inventor: Robert D. Reis (Hingham, MA)
Primary Examiner: Susan J. Lucas
Attorney: Robert T. Gammons
Application Number: 5/750,955
Classifications
Current U.S. Class: D13/32
International Classification: D1303;