Office chair base

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Description

FIG. 1 is a perspective view of 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 elevatoinal view thereof;

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

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for office chair base, as shown as described.

Referenced Cited
U.S. Patent Documents
D407583 April 6, 1999 Perl
D437513 February 13, 2001 Privatt et al.
D447895 September 18, 2001 Chen
D458060 June 4, 2002 Vo
D471039 March 4, 2003 Chen
D475557 June 10, 2003 Su
Patent History
Patent number: D482549
Type: Grant
Filed: Jan 16, 2003
Date of Patent: Nov 25, 2003
Inventor: Po-Chuan Tsai (Tainan City)
Primary Examiner: Gary D. Watson
Application Number: 29/174,329
Classifications
Current U.S. Class: D6/498; D6/366
International Classification: 0606;