Combined valve and gauge

Description

FIG. 1 is a front elevational view of a combined valve and gauge embodying my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view of a second embodiment thereof;

FIG. 8 is a left side elevational view of FIG. 7; and

FIG. 9 is a bottom plan view of FIG. 7.

Referenced Cited
U.S. Patent Documents
D99332 April 1936 Rice
D136369 September 1943 Kuppersmith
D153063 March 1949 Hammon
D153651 May 1949 Waite
D172372 June 1954 Wagner
D180992 September 1957 Britton
D206042 October 1966 Pichulo et al.
D259734 June 30, 1981 Cerrato
D291231 August 4, 1987 Datta
2950895 August 1960 Anderson
3361160 January 1968 Alper
Patent History
Patent number: D311572
Type: Grant
Filed: Feb 17, 1987
Date of Patent: Oct 23, 1990
Assignee: Champion Spark Plug Company (Toledo, OH)
Inventor: Marvin D. Burns (Millbury, OH)
Primary Examiner: James R. Largen
Assistant Examiner: Demetriuss Reynolds
Law Firm: MacMillan, Sobanski & Todd
Application Number: 7/15,181
Classifications