Ball valve

Details Ball valve Ball valve

2006-06-06

2006-06-06

Holtje, Nelson C. (Department: 2913)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

CD23S233000

Design Patent

active

D0522618

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

REFERENCES:
patent: D172662 (1954-07-01), Clade
patent: 4608199 (1986-08-01), Caplan et al.
patent: D291229 (1987-08-01), Kunz
patent: D291230 (1987-08-01), Kunz
patent: D297254 (1988-08-01), Odate et al.
patent: D366693 (1996-01-01), Gregor
patent: D372073 (1996-07-01), Ozaki et al.
patent: D374066 (1996-09-01), Gregor
patent: 5553831 (1996-09-01), Ozaki et al.
patent: D432633 (2000-10-01), Higgins et al.
patent: D432634 (2000-10-01), Higgins et al.
patent: D433105 (2000-10-01), Mirth et al.
patent: D455474 (2002-04-01), Knobel et al.
patent: D471963 (2003-03-01), Chiu
patent: 6591859 (2003-07-01), Shih
patent: 570808 (1982-02-01), None
patent: 1112773 (2001-06-01), None
Asahi AV Valve Catalogue, Asahi Yukizai Kogyo Co., Ltd., Tokyo, Japan, Sep. 1974, p. 17.

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