Combined engine oil filter and removal wrench therefor

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Description

FIG. 1 is a perspective view of a combined engine oil filter and removable wrench therefor showing my new design;

FIG. 2 is a side elevational view of the oil filter housing shown separately for clarity of illustration, the opposite side being a mirror image thereof;

FIG. 3 is a top plan thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a top plan view showing the removable socket wrench and shown separately for clarity of illustration;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a side elevational view thereof, the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
1641485 September 1927 Heftler
3224585 December 1965 Scavuzzo et al.
3265213 August 1966 Decker et al.
4452695 June 5, 1984 Schmidt
Patent History
Patent number: D309974
Type: Grant
Filed: Jan 25, 1988
Date of Patent: Aug 14, 1990
Inventor: Issa Y. Tannous (Oakland, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorney: Linval B. Castle
Application Number: 7/148,224
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)