Self-propelled hand truck

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Description

FIG. 1 is a front elevational view of the self-propelled hand truck showing my new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3119627 January 1964 Klumb
3122381 February 1964 Klemick et al.
3183989 May 1965 Trusock et al.
5716061 February 10, 1998 Sloan et al.
Patent History
Patent number: D420481
Type: Grant
Filed: Dec 17, 1998
Date of Patent: Feb 8, 2000
Inventor: Denver E Yates (Pinnellas Park, FL)
Primary Examiner: Kay H. Chin
Application Number: 0/97,909
Classifications
Current U.S. Class: Two-wheeled (D34/24); Cantilevered Support Plate Or Bar (D34/26)
International Classification: 1202;