Patent
   D448778
Priority
Oct 08 1999
Filed
Apr 03 2000
Issued
Oct 02 2001
Expiry
Oct 02 2015
Assg.orig
Entity
unknown
7
4
n/a
The ornamental design for a diaphragm pump, as shown.

FIG. 1 is a top, front, right-side perspective view of a diaphragm pump showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a left side view thereof.

Iwata, Tomoyuki

Patent Priority Assignee Title
D471562, May 28 2001 SMC Corporation Diaphram-type process pump for transferring various fluids by moving a diaphragm with compresed air
D475066, May 28 2001 SMC Corporation Diaphragm-type process pump for transferring various fluids by moving a diaphragm with compressed air
D499113, Dec 13 2001 Techno Takatsuki Co. Ltd Air directional control valve
D707259, Mar 18 2013 Timmer-Pneumatik GmbH Double membrane pump
D817360, Jan 23 2017 PSG CALIFORNIA LLC; PSG WORLDWIDE, INC Double diaphragm pump
D826282, Nov 28 2016 Watson-Marlow Limited Fluid pump head
D826283, Nov 28 2016 Watson-Marlow Limited Fluid pump head with a removable cartridge
Patent Priority Assignee Title
D354754, Sep 03 1993 Beckett Corporation Condensate pump
D403329, Dec 19 1997 Beckett Corporation Pump
D404400, Feb 12 1998 Eiko Electric Products Corp. Submersible pump
D426553, Jul 14 1998 WILDEN PUMP & ENGINEERING CO Air driven diaphragm pump
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 23 2000IWATA, TOMOYUKISMC Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0107220682 pdf
Apr 03 2000SMC Kabushiki Kaisha(assignment on the face of the patent)
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