Walking aid
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Description
The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only.
Claims
The ornamental design for a walking aid, as shown and described.
Referenced Cited
U.S. Patent Documents
6743156 | June 1, 2004 | Jacques et al. |
D518894 | April 11, 2006 | Kirn |
7111856 | September 26, 2006 | Graham |
D535030 | January 9, 2007 | Brefka et al. |
D567720 | April 29, 2008 | Graham |
7866677 | January 11, 2011 | Rothstein et al. |
D633620 | March 1, 2011 | Avett et al. |
7992584 | August 9, 2011 | Birnbaum |
20030178053 | September 25, 2003 | Wilensky et al. |
20100301574 | December 2, 2010 | Derks et al. |
Patent History
Patent number: D654833
Type: Grant
Filed: May 7, 2010
Date of Patent: Feb 28, 2012
Assignee: Invacare International SARL (Gland)
Inventors: Sofia Pettersson (Halmstad), Aurélie Lauret (Villandry)
Primary Examiner: Celia A. Murphy
Assistant Examiner: John Windmuller
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/361,256
Type: Grant
Filed: May 7, 2010
Date of Patent: Feb 28, 2012
Assignee: Invacare International SARL (Gland)
Inventors: Sofia Pettersson (Halmstad), Aurélie Lauret (Villandry)
Primary Examiner: Celia A. Murphy
Assistant Examiner: John Windmuller
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/361,256
Classifications
Current U.S. Class:
Element Or Attachment (D12/133)