Demonstrator for indicating the effect of additive in engine oil and the like

- Dolores E. Stead
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Description

FIG. 1 is an isometric view from an upper aspect of a demonstrator for indicating the effect of additive in engine oil and the like, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D254793 April 22, 1980 Morey
D270073 August 9, 1983 Morey
3172666 March 1965 Ryan
3193293 July 1965 Schaper
Patent History
Patent number: D286060
Type: Grant
Filed: Apr 30, 1984
Date of Patent: Oct 7, 1986
Assignee: Dolores E. Stead (Federal Way, WA)
Inventor: Clinton H. Morey (Mesa, AZ)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Graybeal & Cullom
Application Number: 6/605,066
Classifications
Current U.S. Class: Demonstrator Or Exhibitor (10) (D19/62)