Chair castor

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Description

FIG. 1 is a perspective view of a chair castor showing my 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.

Claims

The ornamental design for a chair castor, as shown and described.

Referenced Cited
U.S. Patent Documents
D600104 September 15, 2009 Weber et al.
7950108 May 31, 2011 Yang et al.
D653526 February 7, 2012 Melara
Patent History
Patent number: D668943
Type: Grant
Filed: May 31, 2011
Date of Patent: Oct 16, 2012
Inventor: Po-Chuan Tsai (Tainan)
Primary Examiner: Robert M. Spear
Assistant Examiner: Barbara B Lohr
Attorney: Kamrath IP Lawfirm, PA
Application Number: 29/393,117
Classifications
Current U.S. Class: D8/375