Stair climbing hand cart

Description

FIG. 1 is a perspective view of the invention;

FIG. 2 is a front elevation view of the invention;

FIG. 3 is a rear elevation view of the invention;

FIG. 4 is a left side elevation view of the invention, the left side elevation view being a mirror image thereof;

FIG. 5 is a top plan view of the invention; and,

FIG. 6 is a bottom plan view of the invention.

Referenced Cited
U.S. Patent Documents
2715533 August 1955 Strausburg
2770310 November 1956 Gates
3149688 September 1964 Russell
4681330 July 21, 1987 Misawa
Patent History
Patent number: D336710
Type: Grant
Filed: Sep 18, 1991
Date of Patent: Jun 22, 1993
Inventor: Allen H. Kinnaman (Longview, TX)
Primary Examiner: Kay H. Chin
Application Number: 7/761,615