Hand truck extension

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Description

FIG. 1 is a perspective view of the hand truck extension.

FIG. 2 is a top plan view of the invention.

FIG. 3 is a front plan elevation view of the invention.

FIG. 4 is a rear plan elevation view of the invention.

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

FIG. 6 is a right side elevation view of the invention with the left side being a mirror image thereof.

Claims

The ornamental design for a hand truck extension, as shown and described.

Referenced Cited
U.S. Patent Documents
D340339 October 12, 1993 Kean et al.
4521030 June 4, 1985 Vance
5123666 June 23, 1992 Moore
5160154 November 3, 1992 Seydel et al.
5913527 June 22, 1999 Hailston
5938396 August 17, 1999 Audet
Patent History
Patent number: D440372
Type: Grant
Filed: May 4, 2000
Date of Patent: Apr 10, 2001
Inventor: Jana Williams (Redmond, WA)
Primary Examiner: Kay H. Chin
Attorney, Agent or Law Firm: Dean A. Craine
Application Number: 29/122,870
Classifications
Current U.S. Class: Element Or Attachment (D34/27)
International Classification: 1202;