Piston compression pressure sensor

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Description

FIG. 1 is a left side elevational view of a piston compression pressure sensor showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D142379 September 1945 Edelmann
D150328 July 1948 Appel
D207971 June 1967 Brandenberg
D233625 November 1974 Bluem
D236816 September 1975 Martin
D270718 September 27, 1983 Cain
D291419 August 18, 1987 Linzer
1406230 February 1922 Schweinert et al.
4279145 July 21, 1981 Thompson
4520664 June 4, 1985 Kramer
4567395 January 28, 1986 Pundarika
4802369 February 7, 1989 Morii
4825689 May 2, 1989 Haworth et al.
Patent History
Patent number: D333993
Type: Grant
Filed: Aug 31, 1990
Date of Patent: Mar 16, 1993
Inventor: Marc J. Chauvette (Bedford, NH)
Primary Examiner: Bernard Ansher
Assistant Examiner: P. Hyder
Law Firm: Davis, Bujold & Streck
Application Number: 7/576,002
Classifications
Current U.S. Class: Pressure Gauge (D10/85)