Chair base
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This application is related to design patent application Ser. Nos. 29/305,603; 29/305,605; 29/305,606; 29/305,607; 29/305,610; 29/305,612; and 29/305,615, which are filed concurrently herewith.
The characteristic feature of the design resides in the application of parts having the appearance of an automotive disk brake and spring to the base of a chair.
Claims
The ornamental design for a chair base, as shown and described.
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Type: Grant
Filed: Mar 25, 2008
Date of Patent: Mar 31, 2009
Assignee: Intro-Tech Automotive, Inc. (Chino, CA)
Inventor: Henri B. Lenterman (Chino Hills, CA)
Primary Examiner: Caron Veynar
Assistant Examiner: Abraham Bahta
Attorney: Intellectual Property Law Office of Joel D. Voelzke
Application Number: 29/305,602