Pressure gauge
Description
FIG. 1 is a right side elevational view of a pressure gauge showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D177742 | May 1956 | Marx |
2603230 | July 1952 | Krieger |
2894393 | July 1959 | Koelle |
Patent History
Patent number: D254781
Type: Grant
Filed: Sep 16, 1977
Date of Patent: Apr 22, 1980
Inventor: Harold K. Holm (Tustin, CA)
Primary Examiner: Nelson C. Holtje
Application Number: 5/834,138
Type: Grant
Filed: Sep 16, 1977
Date of Patent: Apr 22, 1980
Inventor: Harold K. Holm (Tustin, CA)
Primary Examiner: Nelson C. Holtje
Application Number: 5/834,138
Classifications