Patent
   D817360
Priority
Jan 23 2017
Filed
Jan 23 2017
Issued
May 08 2018
Expiry
May 08 2033
Assg.orig
Entity
unknown
16
10
n/a
The ornamental design for a double diaphragm pump, as shown and described.

FIG. 1 is an isometric view of the double diaphragm pump in a first supported orientation.

FIG. 2 is a top view of the double diaphragm pump in the first supported orientation.

FIG. 3 is a left side view of the double diaphragm pump in the first supported orientation.

FIG. 4 is a right side view of the double diaphragm pump in the first supported orientation.

FIG. 5 is a back view of the double diaphragm pump in the first supported orientation.

FIG. 6 is a front view of the double diaphragm pump in the first supported orientation.

FIG. 7 is a cross-sectional view of the outer surface of the double diaphragm pump in the first supported orientation taken along line 7-7 of FIG. 6. The cross hatched portions form no part of the design.

FIG. 8 is an isometric view of the double diaphragm pump in a second supported orientation with the stand repositioned and the pump rotated one-quarter turn.

FIG. 9 is a top view of the double diaphragm pump in the second supported orientation.

FIG. 10 is a left side view of the double diaphragm pump in the second supported orientation.

FIG. 11 is a right side view of the double diaphragm pump in the second supported orientation.

FIG. 12 is a back view of the double diaphragm pump in the second supported orientation; and,

FIG. 13 is a front view of the double diaphragm pump in the second supported orientation.

The orthographic views not illustrated do not form part of the design. Material illustrated by dashed lines does not form part of the design.

Dietzsch, Curtis

Patent Priority Assignee Title
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Patent Priority Assignee Title
239210,
D275858, Jun 01 1982 Wilden Pump & Engineering Co. Double diaphragm pump
D294946, Aug 06 1984 Wilden Pump & Engineering Co. Air driven diaphragm pump
D331412, Nov 13 1989 WILDEN PUMP & ENGINEERING, A CORP OF CA Air driven diaphragm pump
D382277, Feb 12 1996 Graco Inc. Double diaphragm pump
D448778, Oct 08 1999 SMC Kabushiki Kaisha Diaphragm pump
D498766, Aug 07 2003 SMC Corporation Diaphragm pump
D499116, Aug 07 2003 SMC Corporation Diaphragm pump
D512441, Jul 26 2004 SMC Corporation Process pump
D707259, Mar 18 2013 Timmer-Pneumatik GmbH Double membrane pump
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 2017WILDEN PUMP AND ENGINEERING LLC(assignment on the face of the patent)
Jan 23 2017DIETZSCH, CURTISWILDEN PUMP AND ENGINEERING LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0410510495 pdf
May 01 2019WILDEN PUMP AND ENGINEERING, LLCPSG CALIFORNIA LLCCORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 055899 FRAME 0008 ASSIGNOR S HEREBY CONFIRMS THE CHANGE OF NAME 0559660822 pdf
May 01 2019WILDEN PUMP AND ENGINEERING LLCPSG WORLDWIDE, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0558990008 pdf
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