Ball valve

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Description

FIG. 1 is a front elevational view of a ball valve embodying the design of the present invention;

FIG. 2 is a back elevation view of the ball valve of FIG. 1;

FIG. 3 is a left-hand side elevation view of the ball valve of FIG. 1;

FIG. 4 is a right-hand side elevationaview of the ball valve of FIG. 1;

FIG. 5 is a bottom elevation view of the ball valve of FIG. 1; and,

FIG. 6 is a top elevation view of the ball valve of FIG. 1.

Claims

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

Referenced Cited
U.S. Patent Documents
4605199 August 12, 1986 Bonissone et al.
D291230 August 4, 1987 Kunz
D366693 January 30, 1996 Gregor
D372073 July 23, 1996 Ozaki et al.
D374066 September 24, 1996 Gregor
5553831 September 10, 1996 Ozaki et al.
Patent History
Patent number: D455474
Type: Grant
Filed: Mar 6, 2001
Date of Patent: Apr 9, 2002
Assignee: Georg Fischer Rohrleitungssysteme AG (Schaffhausen)
Inventors: Stephen Knobel (Baden), Michael Heimgartner (Baden)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Bachman & LaPointe, P.C.
Application Number: 29/138,101
Classifications
Current U.S. Class: Manual Or Visible Mechanical Control Or With Provision Therefor (e.g., Handle, Lever, Etc.) (D23/245)
International Classification: 2301;