Air operated piston pump

- Graco Minnesota Inc.
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Description

FIG. 1 is a front elevation view of the air operated piston pump;

FIG. 2 is a top elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a back elevation view thereof; and,

FIG. 6 is a bottom elevation view thereof.

Claims

The ornamental design for the air operated piston pump, as shown and described.

Referenced Cited
U.S. Patent Documents
D303670 September 26, 1989 Adolfo
D304197 October 24, 1989 Adolfo
D308209 May 29, 1990 Laqua et al.
D327891 July 14, 1992 Morgan
D333472 February 23, 1993 Aizawa
Patent History
Patent number: D442607
Type: Grant
Filed: Aug 18, 2000
Date of Patent: May 22, 2001
Assignee: Graco Minnesota Inc. (Minneapolis, MN)
Inventor: Mark L. Bauck (Brooklyn Park, MN)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Douglas B. Farrow
Application Number: 29/128,196
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;