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FIG. 1 is a top front perspective view of the pump;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

Light and shade expressed on the surface in each view are for specifying the shape of the surface. The broken lines are included for the purpose of illustrating environmental structure and form no part of the claimed design.


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

Referenced Cited
U.S. Patent Documents
D165727 January 1952 Zimmer, Jr.
D377967 February 11, 1997 Rozek
D379996 June 17, 1997 Leu
D381340 July 22, 1997 Takenaka
D381993 August 5, 1997 Takenaka
D382883 August 26, 1997 Breitzman
D486835 February 17, 2004 Hsiao
D532796 November 28, 2006 Leu
D681679 May 7, 2013 Osaka
D684999 June 25, 2013 Osaka
10578086 March 3, 2020 Ventrapragada
D903717 December 1, 2020 Schaefer
20180291890 October 11, 2018 Suppiger
20210277887 September 9, 2021 Kaiya
Other references
  • Nitto Kohki, Model DP0410T-Y1, (site visited Sep. 11, 2021), Nittokihki.com website, URL:<https://www.nittokohki.com/pumps/assets/common/product-cat-pdf/products/DC_AirCompressors/DP0410T.pdf> (Year: 2021).
  • Ek Danta Refiners, Single Phase Double Head vaccum Diaphragm Pump, For Automotive, (site visited Sep. 11, 2021), IndiaMart.com, URL:<https://www.indiamart.com/proddetail/double-head-vaccum-diaphragm-pump-23635065588.html> (Year: 2021).
Patent History
Patent number: D946626
Type: Grant
Filed: Jun 17, 2020
Date of Patent: Mar 22, 2022
Assignee: NITTO KOHKI CO., LTD. (Tokyo)
Inventors: Katsuhiko Shibukawa (Tokyo), Hiroto Sakurai (Tokyo), Hiroshi Nishitsuji (Tokyo), Kazushige Nishi (Tokyo)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/738,340
Current U.S. Class: Pump Or Compressor (D15/7)