Patent
   D498766
Priority
Aug 07 2003
Filed
Feb 06 2004
Issued
Nov 23 2004
Expiry
Nov 23 2018
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for a diaphragm pump, as shown and described.

FIG. 1 shows a front view of a diaphragm pump showing my new design;

FIG. 2 shows a top view thereof;

FIG. 3 shows a bottom view thereof;

FIG. 4 shows a right side view thereof

FIG. 5 shows a left side view thereof;

FIG. 6 shows an inside view thereof taken along line 6--6 on FIG. 1; and,

FIG. 7 shows a perspective view thereof.

Iwata, Tomoyuki

Patent Priority Assignee Title
12116994, Oct 11 2018 PSG Germany GmbH Diaphragm pump
D512441, Jul 26 2004 SMC Corporation Process pump
D623665, Jun 21 2006 Wilo SE Pump
D707259, Mar 18 2013 Timmer-Pneumatik GmbH Double membrane pump
D797154, Sep 29 2015 Tacmina Corporation Diaphragm pump
D817360, Jan 23 2017 PSG CALIFORNIA LLC; PSG WORLDWIDE, INC Double diaphragm pump
Patent Priority Assignee Title
D275858, Jun 01 1982 Wilden Pump & Engineering Co. Double diaphragm pump
D331412, Nov 13 1989 WILDEN PUMP & ENGINEERING, A CORP OF CA Air driven diaphragm pump
D365569, Nov 09 1994 Wagner Spray Tech Corporation Commercial turbine housing
D382277, Feb 12 1996 Graco Inc. Double diaphragm pump
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 06 2004SMC Corporation(assignment on the face of the patent)
Apr 21 2004IWATA, TOMOYUKISMC CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146980285 pdf
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