Swivel chair base

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Description

FIG. 1 is the perspective view of a swivel chair base showing my new design;

FIG. 2 is the front elevation view thereof;

FIG. 3 is the rear elevation view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the right side view thereof;

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

FIG. 7 is the bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D326783 June 9, 1992 Piretti
D335398 May 11, 1993 Heidmann
D355534 February 21, 1995 Saotome
D391089 February 24, 1998 Chu
D416406 November 16, 1999 Donati
D431942 October 17, 2000 Chen
D445282 July 24, 2001 Su
D449457 October 23, 2001 Su
Patent History
Patent number: D456185
Type: Grant
Filed: Mar 27, 2001
Date of Patent: Apr 30, 2002
Inventor: Ken Su (Taoyuan City)
Primary Examiner: Gary D. Watson
Application Number: 29/139,319
Classifications
Current U.S. Class: D6/498; D6/366
International Classification: 0606;