Combination pressure switch and gage

- Dwyer Instruments, Inc.
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Description

FIG. 1 is a perspective view of the combination pressure switch and gage.

FIG. 2 is a front view of the combination pressure switch and gage.

FIG. 3 is a rear view of the combination pressure switch and gage.

FIG. 4 is a left side view of the combination pressure switch and gage.

FIG. 5 is a right side view of the combination pressure switch and gage.

FIG. 6 is a top view of the combination pressure switch and gage; and,

FIG. 7 is a bottom view of the combination pressure switch and gage.

Claims

The ornamental design for a combination pressure switch and gage, as shown and described.

Referenced Cited
U.S. Patent Documents
3645140 February 1972 Phillips et al.
4011759 March 15, 1977 Phillips et al.
4030365 June 21, 1977 Phillips et al.
4347744 September 7, 1982 Buchanan
D301018 May 9, 1989 Hestich
D316975 May 21, 1991 Brown et al.
D316982 May 21, 1991 Hestich
D348018 June 21, 1994 Poleshuk et al.
6089098 July 18, 2000 Tylisz et al.
D429655 August 22, 2000 Cowan et al.
Patent History
Patent number: D488735
Type: Grant
Filed: Mar 4, 2003
Date of Patent: Apr 20, 2004
Assignee: Dwyer Instruments, Inc. (Michigan City, IN)
Inventors: Brian L. Palmer (Michigan City, IN), Daniel A. Heuer (New Carlisle, IN), Ronald R. Krueger (Michigan City, IN)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Barnes & Thornburg
Application Number: 29/177,099
Classifications
Current U.S. Class: Public Utility Meter, I.e., Gas, Water, Etc. (D10/99)
International Classification: 1004;