Patent
   D496091
Priority
Jun 03 2003
Filed
Jun 03 2003
Issued
Sep 14 2004
Expiry
Sep 14 2018
Assg.orig
Entity
unknown
23
4
n/a
The ornamental design for a double check valve, as shown and described.

FIG. 1 is a top perspective view of a valve according to a first embodiment of a valve in accordance with the present invention;

FIG. 2 is a left side view of the valve seen in FIG. 1;

FIG. 3 is a right side view of the valve seen in FIG. 1;

FIG. 4 is a bottom view of the valve seen in FIG. 1;

FIG. 5 is a front view of the valve seen in FIG. 1;

FIG. 6 is a top view of the valve seen in FIG. 1;

FIG. 7 is a rear view of the valve seen in FIG. 1;

FIG. 8 is a top perspective view of a second embodiment of a valve in accordance with the present invention;

FIG. 9 is a left side view of the valve seen in FIG. 8;

FIG. 10 is a right side view of the valve seen in FIG. 8;

FIG. 11 is a bottom view of the valve seen in FIG. 8;

FIG. 12 is a front view of the valve seen in FIG. 8;

FIG. 13 is a top view of the valve seen in FIG. 8; and,

FIG. 14 is a rear view of the valve seen in FIG. 8.

The words and numbers appearing on the valve do not form an essential part of the design, apart for their location.

Katzman, Youval, Greenberg, Kobby

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Patent Priority Assignee Title
6349736, Apr 27 2000 CORE INDUSTRIES, INC Backflow preventer apparatus and method with integration of shut-off valves
6396404, Jan 05 1999 AGF Manufacturing, Inc. Double check valve assembly for fire suppression system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 03 2003A.R.I. Flow Control Accessories Agricultural Cooperative Association Ltd.(assignment on the face of the patent)
Jul 14 2003KATZMAN, YOUVALA R I FLOW CONTROL ACCESSORIES AGRICULTURAL COOPERATIVE ASSOCIATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0143460363 pdf
Jul 14 2003GREENBERG, KOBBYA R I FLOW CONTROL ACCESSORIES AGRICULTURAL COOPERATIVE ASSOCIATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0143460363 pdf
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