Adjustable height caster

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Description

FIG. 1 is a left side view of an adjustable height caster.

FIG. 2 is a front view of the design shown in FIG. 1.

FIG. 3 is a right side view of the design shown in FIG. 1; and,

FIG. 4 is a rear view of the design shown in FIG. 1.

The broken line showing of elements of a caster are for illustrative purposes only and form no part of the claimed design.

The undisclosed top and bottom views are not part of the claimed design.

Claims

We claim the ornamental design for an adjustable height caster, as shown and described.

Referenced Cited
U.S. Patent Documents
664798 December 1900 Weidman
803682 November 1905 Fishburne
804809 November 1905 Graham
1175885 March 1916 Grabler
1185886 June 1916 Doherty
1229831 June 1917 Von Der Lin
1271559 July 1918 Feebusch et al.
4588096 May 13, 1986 Story et al.
D334136 March 23, 1993 McCord et al.
5802668 September 8, 1998 Gosselin
D409477 May 11, 1999 Royster
D448278 September 25, 2001 Chi
6367885 April 9, 2002 Denner et al.
D457810 May 28, 2002 Chi
6422656 July 23, 2002 Denner et al.
Patent History
Patent number: D486382
Type: Grant
Filed: Dec 6, 2002
Date of Patent: Feb 10, 2004
Assignee: E. R. Wagner Manufacturing Company (Milwaukee, WI)
Inventors: Robin S. Sedgwick (Hartland, WI), Brian A. Hanson (Theresa, WI)
Primary Examiner: Holly Baynham
Attorney, Agent or Law Firm: Michael Best & Friedrich LLP
Application Number: 29/172,146
Classifications
Current U.S. Class: D8/375
International Classification: 0805;