Level gauge
Description
FIG. 1 is a top plan view of a level gauge showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view, the rear elevational view being a mirror image thereof;
FIG. 4 is a left side elevational view thereof; and,
FIG. 5 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D223775 | June 1972 | Metzger |
D283804 | May 13, 1986 | Waters |
D283805 | May 13, 1986 | Waters |
D287343 | December 23, 1986 | Waters |
4116065 | September 26, 1978 | Jensen |
5078004 | January 7, 1992 | Nyseth |
- Oil-Right Corporation catalog, "Liquid Level Gages Section 8200", pp. 3, 4 and 8.
Patent History
Patent number: D350076
Type: Grant
Filed: Jul 8, 1993
Date of Patent: Aug 30, 1994
Assignee: Rotaquip Inc. (Dallas, TX)
Inventors: Richard W. Frederick (Richardson, TX), Michael A. Yarrish (Grapevine, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Ross, Howison, Clapp & Korn
Application Number: 0/10,475
Type: Grant
Filed: Jul 8, 1993
Date of Patent: Aug 30, 1994
Assignee: Rotaquip Inc. (Dallas, TX)
Inventors: Richard W. Frederick (Richardson, TX), Michael A. Yarrish (Grapevine, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Ross, Howison, Clapp & Korn
Application Number: 0/10,475
Classifications