Pump valve piston

Description

FIG. 1 is a perspective view of my pump valve piston;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a sectional view taken generally along sectional lines 8--8 of FIG. 4; and,

FIG. 9 is a section view taken generally along sectional lines 9--9 of FIG. 4.

Claims

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

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Inventors:	Freitas; Michael W. (Colleyville, TX)
Assignee:	Dispenser Services of Texas, Inc. (Arlington, TX)
Appl. No.:	D/197,166
Filed:	January 13, 2004

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Current U.S. Class:	D15/7
Current International Class:	1502
Field of Search:	;D15/5,7-9 ;417/545,546 ;222/129.1 ;92/127,224,172,229,237,212 ;123/193.6,47A,47R,50A,50B,41.35,47AB

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References Cited [Referenced By]

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U.S. Patent Documents

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5275309	January 1994	Baron et al.
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5839351	November 1998	Nakada
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6892689	May 2005	Bischofberger et al.

Primary Examiner: Seifert; Ralf
Attorney, Agent or Firm: Locke, Liddell & Sapp