Machines not elsewhere specified – Engine – Element or attachment
Design Patent
2007-01-30
2007-01-30
Rademaker, Charles A. (Department: 2916)
Machines not elsewhere specified
Engine
Element or attachment
Design Patent
active
29221516
CLAIM:
The ornamental design for “piston pump,” as shown and described.
REFERENCES:
patent: D271976 (1983-12-01), Brown
patent: D273586 (1984-04-01), Hodgson
patent: D294358 (1988-02-01), Valentin
patent: D456819 (2002-05-01), Sebion et al.
Annovi Reverberi S.p.A.
Browdy and Neimark PLLC
Rademaker Charles A.
Stevens Maurice
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