Diaphragm pump

- YAMADA CORPORATION
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Description

FIG. 1 is a front view of a diaphragm pump showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top perspective view; and,

FIG. 8 is a bottom perspective view.

The broken lines are included for the purpose of illustrating portions of the diaphragm pump that form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D268413 March 29, 1983 Wilden
D275858 October 9, 1984 Wilden
D388796 January 6, 1998 Conti
D388797 January 6, 1998 Conti
5711658 January 27, 1998 Conti
D400210 October 27, 1998 Reynolds
D435855 January 2, 2001 Donelson
D675231 January 29, 2013 Headley et al.
D682316 May 14, 2013 Rogne et al.
Foreign Patent Documents
D144774 January 2012 TW
Other references
  • “Laboratory Equipment & Instruments Filtration Media & Filtration Systems,” HC17054415, Nov. 25, 2005, 1 page.
  • HA06008374, M&E, May 1, 1994, 1 page.
  • HA06015161, M&E, Sep. 1, 1994, 1 page.
  • HC24001370, NDP-P20BTT, May 23, 2012, 2 pages.
Patent History
Patent number: D781924
Type: Grant
Filed: Oct 30, 2015
Date of Patent: Mar 21, 2017
Assignee: YAMADA CORPORATION (Tokyo)
Inventors: Nobuyuki Araki (Tokyo), Kotaro Yamada (Tokyo)
Primary Examiner: Ralf Seifert
Application Number: 29/544,083
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)