US Patent # D249,031. Combined hand truck and ladder

United States Patent	D249,031
Tarran	August 22, 1978

Combined hand truck and ladder

Claims

The ornamental design for a combined hand truck and ladder, substantially as shown and described.

Inventors:	Tarran; Phil K. (San Diego County, CA)
Assignee:	Lords III Research & Development Co. (Escondido, CA)
Appl. No.:	05/781,421
Filed:	March 25, 1977

Current U.S. Class:	D34/14 ; D25/64; D34/26
Current International Class:	D1202
Field of Search:	D12/25,29,30,34,59 D25/64 280/47.18,47.19,47.2,47.27,47.28,79.1,79.2,79.3 182/20

References Cited

U.S. Patent Documents


D198676	July 1964	Tarran
2820643	January 1958	Cohn
2980200	April 1961	Kibby
3104889	September 1963	Branch, Jr.
3693996	September 1972	Hardy
3785669	January 1974	Doheny
3954155	May 1976	Guidara

Other References

Modern Materials Handling, 6/56, Hand Truck, top center of page, p. 146. .
Modern Materials Handling, 9/60, p. 153, Hand Truck, top left side of page. .
Material Flow Catalog, .COPYRGT.1975, p. 14, Convertible Truck, top left side of page. .
Magliner Magnesium Hand Trucks Brochure, p. 2, Hand Truck, 111-U-815-FNS30, center of page..

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Gandy; James M.
Attorney, Agent or Firm: Brown; Carl R.

Description

FIG. 1 is a perspective view of a combined hand truck and ladder, showing my new design;

FIG. 2 is a lower end elevational view thereof;

FIG. 3 is a perspective view thereof in an alternate position with the extension portions opened;

FIG. 4 is a perspective view thereof in another alternate position for use as a step ladder; and

FIG. 5 is a perspective view thereof in still another alternate position for use as a wheeled cart.

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