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Ball valve
D455474 Ball valve
Patent Drawings:Drawing: D455474-2    Drawing: D455474-3    
« 1 »

(2 images)

Inventor: Knobel, et al.
Date Issued: April 9, 2002
Application: D/138,101
Filed: March 6, 2001
Inventors: Heimgartner; Michael (Baden, CH)
Knobel; Stephen (Baden, CH)
Assignee: Georg Fischer Rohrleitungssysteme AG (Schaffhausen, CH)
Primary Examiner: Taylor; Robin V.
Assistant Examiner:
Attorney Or Agent: Bachman & LaPointe, P.C.
U.S. Class: D23/245
Field Of Search: D23/233; D23/234; D23/235; D23/236; D23/244; D23/245; 251/310; 251/315.14; 251/315.16
International Class:
U.S Patent Documents: 4605199; D291230; D366693; D372073; D374066; 5553831
Foreign Patent Documents:
Other References:

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

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