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
D223404 | April 1972 | Schwartz |
D224806 | September 1972 | Zuck |
2790617 | April 1957 | Harland |
Patent History
Patent number: D253811
Type: Grant
Filed: Jul 1, 1977
Date of Patent: Jan 1, 1980
Inventors: Zigmund G. Bljumshtein (Kazan), Lev A. Bychkin (Kazan)
Primary Examiner: Nelson C. Holtje
Attorney: Martin Fleit
Application Number: 5/812,466
Type: Grant
Filed: Jul 1, 1977
Date of Patent: Jan 1, 1980
Inventors: Zigmund G. Bljumshtein (Kazan), Lev A. Bychkin (Kazan)
Primary Examiner: Nelson C. Holtje
Attorney: Martin Fleit
Application Number: 5/812,466
Classifications