Electromechanical pressure differential gauge/switch

- ITT Corporation
Description

FIG. 1 is a front elevational view of an electronic indicating switch showing my new design;

FIG. 2 is a right side elevational view thereof, the broken-line showings being environmental only and forms no part of the claimed design;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D253690 December 18, 1979 Bljumshtein
D253811 January 1, 1980 Bljumshtein
3162173 December 1964 Morgan
3844442 October 1974 Puster
Patent History
Patent number: D302394
Type: Grant
Filed: Apr 17, 1986
Date of Patent: Jul 25, 1989
Assignee: ITT Corporation (New York, NY)
Inventor: Kenneth C. Merrell (Brea, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Menotti J. Lombardi
Application Number: 6/852,879
Classifications