Stair-climbing hand cart

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Description

FIG. 1 is a front elevation view of a stair-climbing hand cart showing my new design;

FIG. 2 is a rear elevation view;

FIG. 3 is a right elevation;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and,

FIG. 6 is an isometric view of a stair-climbing hand cart.

Claims

The ornamental design for a stair-climbing hand cart, as shown and described.

Referenced Cited
U.S. Patent Documents
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3450219 June 1969 Fleming
3698501 October 1972 Gross
D249032 August 22, 1978 Tarran
4142732 March 6, 1979 Boyd
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D336710 June 22, 1993 Kinnaman
D356197 March 7, 1995 Loughlin
D404876 January 26, 1999 Rubinos et al.
D412044 July 13, 1999 Deal
6116623 September 12, 2000 Salvucci
D466266 November 26, 2002 Wu
20070075509 April 5, 2007 Wyrick, III
Foreign Patent Documents
405170104 July 1996 JP
Patent History
Patent number: D590120
Type: Grant
Filed: Oct 18, 2007
Date of Patent: Apr 7, 2009
Inventor: Jackie L Thompson (Littleton, CO)
Primary Examiner: Cynthia E Ramirez
Application Number: 29/296,387
Classifications