Pressure gauge

Description

FIG. 1 is a front perspective view of a pressure gauge showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof, the right side being a mirror image thereto.

Referenced Cited
U.S. Patent Documents
D200730 March 1965 Faul
D223404 April 1972 Schwartz
Patent History
Patent number: D253691
Type: Grant
Filed: Jul 6, 1977
Date of Patent: Dec 18, 1979
Inventors: Zigmund G. Bljumshtein (Kazan), Lev A. Bychkin (Kazan), Nikolai S. Ivanshin (Kazan)
Primary Examiner: Nelson C. Holtje
Attorney: Harvey B. Jacobson, Jr.
Application Number: 5/813,344
Classifications
Current U.S. Class: Pressure Gauge (D10/85)
International Classification: D1004;