Chair control knob

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Description

This application is related to design patent application Ser. Nos. 29/305,602; 29/305,603; 29/305,605; 29/305,606; 29/305,607; 29/305,610; and 29/305,612, which are filed concurrently herewith.

FIG. 1 is a front, left side, and top perspective view of a chair control knob showing my new design;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is an enlarged left side elevational view, the right side elevational view being a mirror image thereof; and,

FIG. 4 is an enlarged front elevational view thereof.

The characteristic feature of the design resides in the application of a part having the appearance of an automotive transmission shift knob to a chair control knob.

The broken line showing of chair is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D214618 July 1969 Waitman-Warner
D321993 December 3, 1991 Zagaroli et al.
D401075 November 17, 1998 Smith
D405970 February 23, 1999 Kaczmarek
D409404 May 11, 1999 Kaczmarek
D497265 October 19, 2004 Tai
D497266 October 19, 2004 Tai
D516299 March 7, 2006 Kilgore
D535486 January 23, 2007 Huang
D559159 January 8, 2008 Kazyaka
D569216 May 20, 2008 Muchin et al.
D595559 July 7, 2009 Banjo et al.
Patent History
Patent number: D613969
Type: Grant
Filed: Mar 25, 2008
Date of Patent: Apr 20, 2010
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 Voelzke, APC
Application Number: 29/305,615
Classifications
Current U.S. Class: D6/491; Brake Or Gear Shift Lever Or Unit (D12/179)