Piston pump

Description

The patent of application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is an upper plan view of the first embodiment;

FIG. 3 is a view from the lower end of FIG. 2;

FIG. 4 is a view fro the right end of FIG. 2;

FIG. 5 is a view from the left end of FIG. 2;

FIG. 6 is a bottom plan view of the first embodiment;

FIG. 7 is a view from the upper end of FIG. 2;

FIG. 8 is a perspective view of a second embodiment;

FIG. 9 is an upper plan view of the second embodiment;

FIG. 10 is a view from the lower end of FIG. 9;

FIG. 11 is a view from the right end of FIG. 9;

FIG. 12 is a view from the left end of FIG. 9;

FIG. 13 is a bottom plan view of the second embodiment;

FIG. 14 is a view from the upper end of FIG. 9;

FIG. 15 is a perspective view of a third embodiment;

FIG. 16 is an upper plan view of the third embodiment;

FIG. 17 is a view from the lower end of FIG. 16;

FIG. 18 is a view from the right end of FIG. 16;

FIG. 19 is a view from the left end of FIG. 16;

FIG. 20 is a bottom plan view of the third embodiment; and,

FIG. 21 is a view from the upper end of FIG. 16.

Claims

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

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Inventors:	Reverberi; Stefano (Modena, IT)
Assignee:	Annovi Reverberi S.p.A. (Modena, IT)
Appl. No.:	D/221,224
Filed:	January 14, 2005

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Current U.S. Class:	D13/122
Current International Class:	1301
Field of Search:	;D15/1-9.1 ;60/408-409,443-445,448,451,452 ;417/91-98,60,360,366,900 ;123/495,509 ;415/140-147 ;184/26 ;D13/114,122

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References Cited [Referenced By]

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U.S. Patent Documents

D271976	December 1983	Brown
D273586	April 1984	Hodgson
D294358	February 1988	Valentin
D456819	May 2002	Sebion et al.

Primary Examiner: Wallace; Terry A.
Assistant Examiner: Stevens; Maurice
Attorney, Agent or Firm: Browdy and Neimark, PLLC