Ball valve

Description

FIG. 1 is a front perspective view of a ball valve showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of the front elevational view;

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

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross-sectional view taken along the line 6--6 in FIG. 4.

Claims

CLAIM The ornamental design for a ball valve, as shown and described.

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Inventors:	Matsushita; Hiroyuki (Nobeoka, JP)
Assignee:	Asahi Organic Chemicals Industry Co., Ltd. (Nobeoka, JP)
Appl. No.:	D/179,613
Filed:	April 14, 2003

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Foreign Application Priority Data

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Oct 15, 2002 [JP]			2002-28134

Current U.S. Class:	D23/245; D23/233
Current International Class:	2301
Field of Search:	;D23/233-237,244-250 ;251/309-310,314,315,315.14,335.5,286-288 ;137/625,22,170-174,219,385

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References Cited [Referenced By]

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U.S. Patent Documents

D172662	July 1954	Clade
4608199	August 1986	Caplan et al.
D291229	August 1987	Kunz
D291230	August 1987	Kunz
D297254	August 1988	Odate et al.
D366693	January 1996	Gregor
D372073	July 1996	Ozaki et al.
D374066	September 1996	Gregor
5553831	September 1996	Ozaki et al.
D432633	October 2000	Higgins et al.
D432634	October 2000	Higgins et al.
D433105	October 2000	Mirth et al.
D455474	April 2002	Knobel et al.
D471963	March 2003	Chiu
6591859	July 2003	Shih

Foreign Patent Documents

	570808		Feb 1982		JP
	1112773		Jun 2001		JP

Other References

Asahi AV Valve Catalogue, Asahi Yukizai Kogyo Co., Ltd., Tokyo, Japan, Sep. 1974, p. 17. cited by other.

Primary Examiner: Holtje; Nelson C.
Attorney, Agent or Firm: Burns, Doane, Swecker & Mathis, L.L.P.