Patent
   D934304
Priority
Apr 15 2020
Filed
Aug 06 2020
Issued
Oct 26 2021
Expiry
Oct 26 2036
Assg.orig
Entity
unknown
4
9
n/a
The ornamental design for a dual chamber diaphragm pump, as shown and described.

FIG. 1 is a perspective view of a dual chamber diaphragm pump showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the dual chamber diaphragm pump in which the design is embodied that form no part of the claimed design.

Lin, Xi Zhen

Patent Priority Assignee Title
11408441, Nov 24 2020 AQUASTAR POOL PRODUCTS, INC. Centrifugal pump
11668329, Nov 24 2020 AQUASTAR POOL PRODUCTS, INC. Centrifugal pump
D971966, Nov 24 2020 AQUASTAR POOL PRODUCTS, INC. Centrifugal pump
D986289, Nov 24 2020 AQUASTAR POOL PRODUCTS, INC. Centrifugal pump
Patent Priority Assignee Title
4019837, May 30 1975 Graco Inc. Pressure unloading apparatus for a diaphragm pump
20140341752,
D327075, Jun 01 1990 ITT CORPORATION, A CORP OF DE Whirlpool pump
D664156, Jul 01 2011 ITT Manufacturing Enterprises, Inc Diaphragm pump
D669501, Jul 01 2011 FLOW CONTROL LLC Diaphragm pump
D698369, Jun 07 2013 FLOW CONTROL LLC Diaphragm pump
D701246, Jul 01 2013 FLOW CONTROL LLC Low profile pump
D735240, Jan 30 2014 FLOW CONTROL LLC Low profile pump
D752110, Jan 30 2014 Flow Control LLC. Low profile pump
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 04 2020LIN, XI ZHENFUJIAN AIDI ELECTRIC CO ,LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0534150289 pdf
Aug 06 2020FUJIAN AIDI ELECTRIC CO., LTD.(assignment on the face of the patent)
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