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
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
Classifications