Step stool

- Bei Yu Industrial Co.

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Description

FIG. 1 is a perspective view of a step stool showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a step stool, as shown and described.

Referenced Cited
U.S. Patent Documents
D184390 February 1959 Cramer
D213552 March 1969 Hall
3559761 February 1971 Wehner
3599750 August 1971 Serwer
D244494 May 31, 1977 Dottinger
D262419 December 29, 1981 Cramer
D330462 October 27, 1992 Szablak et al.
D512537 December 6, 2005 Barnes et al.
D524069 July 4, 2006 Lim
D566408 April 15, 2008 Gonzalez
D566978 April 22, 2008 Gonzalez
D570125 June 3, 2008 Gonzalez
D597751 August 11, 2009 Cohen
Patent History
Patent number: D606768
Type: Grant
Filed: Aug 7, 2009
Date of Patent: Dec 29, 2009
Assignee: Bei Yu Industrial Co. (Tainan Hsien)
Inventor: Wen-Chih Tu (Gueiren Township, Tainna County)
Primary Examiner: Sandra Snapp
Attorney: Rosenberg, Klein & Lee
Application Number: 29/311,965
Classifications
Current U.S. Class: D6/350