Clearance checking tool for air brake system

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Description

FIG. 1 is a front perspective of a clearance checking tool for air brake system, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an opposite side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
1753545 April 1930 Altice et al.
1854736 April 1932 Griffith
1920350 August 1933 Bourdon
3562891 February 1971 Earl
4324030 April 13, 1982 Diaz
4475276 October 9, 1984 Staten
4685164 August 11, 1987 Sebalos
Patent History
Patent number: D296750
Type: Grant
Filed: Aug 14, 1985
Date of Patent: Jul 19, 1988
Inventor: George Hamatani (Clarksburg, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Clare E. Heflin
Law Firm: Lothrop & West
Application Number: 6/765,421
Classifications
Current U.S. Class: D 8/14; D 8/27; D 8/51