Office chair base

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Description

FIG. 1 is a perspective view of an office chair base 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 an office chair base, as shown as described.

Referenced Cited
U.S. Patent Documents
D426966 June 27, 2000 Chu
D437513 February 13, 2001 Privatt et al.
D467452 December 24, 2002 Lee
D482549 November 25, 2003 Tsai
D494786 August 24, 2004 Cheng
D499586 December 14, 2004 Fu
Patent History
Patent number: D552385
Type: Grant
Filed: Oct 10, 2006
Date of Patent: Oct 9, 2007
Inventor: Sheng-Chang Yeh (Tainan City 70499)
Primary Examiner: Mimosa De
Application Number: 29/267,216
Classifications
Current U.S. Class: D6/498