Oil plug temperature gauge
Description
FIG. 1 is a top plan view of an oil plug temperature gauge showing our new design;
FIG. 2 is a typical side elevational view thereof; and
FIG. 3 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
| D117258 | October 1939 | Dowden |
| D120638 | May 1940 | Ford |
| 3530718 | September 1970 | Ehlo |
| 3903744 | September 1975 | Cone |
Patent History
Patent number: D258871
Type: Grant
Filed: Jan 30, 1978
Date of Patent: Apr 14, 1981
Inventors: Edward L. Rajotte, Jr. (Sacramento, CA), Patrick R. Coughlin (Sacramento, CA)
Primary Examiner: Nelson C. Holtje
Application Number: 5/873,403
Type: Grant
Filed: Jan 30, 1978
Date of Patent: Apr 14, 1981
Inventors: Edward L. Rajotte, Jr. (Sacramento, CA), Patrick R. Coughlin (Sacramento, CA)
Primary Examiner: Nelson C. Holtje
Application Number: 5/873,403
Classifications
