Wheelchair caster strut

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left side perspective view of a wheelchair caster strut showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is an enlarged right side perspective view according to the design;

FIG. 4 is a front perspective view thereof;

FIG. 5 is an enlarged left side perspective view according to the design; and,

FIG. 6 is an enlarged front side perspective view thereof.

The claimed design comprises a caster strut. The other portions of the wheelchair, shown in dotted lines, form no part of the claimed design.

Claims

The ornamental design for a wheelchair caster strut, as shown and described.

Referenced Cited
U.S. Patent Documents
1509022 September 1924 Noble
4840390 June 20, 1989 Lockard et al.
D357217 April 11, 1995 Shirley
5722676 March 3, 1998 Wu
D395854 July 7, 1998 Hernandez et al.
D413555 September 7, 1999 Hernandez et al.
D413842 September 14, 1999 Garven, Jr.
D423994 May 2, 2000 Helwig
D433968 November 21, 2000 Mascari et al.
6179321 January 30, 2001 Sun
6382652 May 7, 2002 Cheng
D480195 September 30, 2003 Koerlin et al.
D495629 September 7, 2004 Chelgren
D506419 June 21, 2005 Coster
D526950 August 22, 2006 Bareket
7222921 May 29, 2007 Farnella et al.
D573861 July 29, 2008 Hammer et al.
7520518 April 21, 2009 Peterson et al.
D627271 November 16, 2010 Knopf
Patent History
Patent number: D636299
Type: Grant
Filed: Aug 3, 2009
Date of Patent: Apr 19, 2011
Inventor: Michael Knopf (Dielheim)
Primary Examiner: Ian Simmons
Assistant Examiner: Charles D Hanson
Application Number: 29/341,286
Classifications
Current U.S. Class: Element Or Attachment (D12/133)