Patent
   D498766
Priority
Aug 07 2003
Filed
Feb 06 2004
Issued
Nov 23 2004
Expiry
Nov 23 2018
Assg.orig
Entity
unknown
5
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
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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