Piston pump
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The broken lines of even length shown in the drawings illustrate portions of the piston pump that form no part of the claimed design. The broken lines of uneven length shown in
Claims
The ornamental design for a piston pump, as shown and described.
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Type: Grant
Filed: Aug 7, 2023
Date of Patent: Jan 21, 2025
Assignee: CATERPILLAR INC. (Peoria, IL)
Inventors: Takashi Nakatsuji (Kobe), Takuya Shiozumi (Kobe)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torre
Application Number: 29/909,504