Wrench for releasing a vacuum seal on a water pump or the like

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Description

FIG. 1 is a perspective view of a wrench for releasing a vacuum seal on a water pump or the like showing my new design;

FIG. 2 is an enlarged side elevational view thereof;

FIG. 3 is an enlarged bottom plan view thereof;

FIG. 4 is an enlarged opposite side elevational view thereof;

FIG. 5 is an enlarged top plan view thereof;

FIG. 6 is an enlarged end elevational view thereof; and

FIG. 7 is an enlarged opposite end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D248613 July 25, 1978 Pace et al.
D264796 June 8, 1982 Frick et al.
D268473 April 5, 1983 Rust
D282046 January 7, 1986 Dumond et al.
1529075 March 1925 McIntyre
Patent History
Patent number: D288893
Type: Grant
Filed: Oct 1, 1984
Date of Patent: Mar 24, 1987
Inventor: Martin C. Epstein (San Rafael, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Attorneys: Manfred M. Warren, Robert B. Chickering, Glen R. Grunewald
Application Number: 6/655,764
Classifications
Current U.S. Class: D 8/17; D 8/19