Trailer jack

Description

FIG. 1 is a front and top perspective view of a trailer jack showing my new design, the broken lines are for illustrative purpoes only and form no part of the claimed design;

FIG. 2 is an exploded bottom and left side perspective view thereof;

FIG. 3 is an exploded bottom and right side perspective view thereof;

FIG. 4 is a rear and top perspective view thereof; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
2001467 May 1935 Madigan
3298665 January 1967 Steloff
3863894 February 1975 Manst et al.
4537416 August 27, 1985 Linaburg
Foreign Patent Documents
2389521 January 1979 FRX
Patent History
Patent number: D309818
Type: Grant
Filed: Nov 9, 1987
Date of Patent: Aug 7, 1990
Assignee: Contax, Inc. (Irondale, AL)
Inventor: Paul R. Bink (Anderson, AL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Kay H. Chin
Attorney: C. A. Phillips
Application Number: 7/118,646
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)