Chainwheel

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Description

FIG. 1 is a perspective view of a chainwheel;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

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

FIG. 7 is a bottom plan view thereof.

Claims

I claim the ornamental design for a chainwheel, as shown and described.

Referenced Cited
U.S. Patent Documents
D210564 March 1968 Brilando et al.
D219633 December 1970 Shimano et al.
D222572 November 1971 Shimano et al.
D246097 October 18, 1977 McGregor et al.
D266558 October 19, 1982 Breen et al.
D299448 January 17, 1989 Haro
D432054 October 17, 2000 Hanamura
D540718 April 17, 2007 Wickliffe
7258638 August 21, 2007 Valle
D580305 November 11, 2008 New
7491143 February 17, 2009 Valle
D589409 March 31, 2009 Toyoshima
D599255 September 1, 2009 Wickliffe et al.
D599716 September 8, 2009 Wickliffe et al.
D599717 September 8, 2009 Wickliffe et al.
Patent History
Patent number: D613207
Type: Grant
Filed: Apr 28, 2009
Date of Patent: Apr 6, 2010
Inventor: Chia-Wei Hsu (Situn District, Taichung City 407)
Primary Examiner: Philip S Hyder
Assistant Examiner: Linda G. Brooks
Attorney: Banger Shia
Application Number: 29/336,081
Classifications
Current U.S. Class: Crank Or Sprocket (D12/123)