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Patent
   D544073
Priority
Apr 08 2003
Filed
Dec 14 2005
Issued
Jun 05 2007
Expiry
Jun 05 2021
Inventors
DeGarmo, C…
Assg.orig
DeGarmo Pl…
Assg.curr
DeGarmo Pl…
Entity
unknown
Referenced by
19
References
15
Maint.:
n/a
The ornamental design for a backflow prevention sink, as shown and described.

FIG. 1 is a front perspective view of the backflow prevention sink.

FIG. 2 is a front view of the backflow prevention sink.

FIG. 3 is a bottom view of the backflow prevention sink; and,

FIG. 4 is a side view of the backflow prevention sink.

The present application is directed to the design illustrated in the drawings. The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design.
INVENTORS:

DeGarmo, Craig

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D703798, Mar 11 2013 Kohler Co. Sink
D703799, Mar 11 2013 Kohler Co. Sink
D703800, Mar 11 2013 Kohler Co. Sink
D703801, Mar 11 2013 Kohler Co. Sink
D716422, Mar 11 2013 Kohler Co. Sink
D716921, Mar 11 2013 Kohler Co. Sink
D716922, Mar 11 2013 Kohler Co. Sink
D716923, Mar 11 2013 Kohler Co. Sink
D729360, Mar 11 2013 Kohler Co. Sink
D729361, Mar 11 2013 Kohler Co. Sink
D729362, Mar 11 2013 Kohler Co. Sink
D729913, Mar 11 2013 Kohler Co. Sink
D742485, Mar 11 2013 Kohler Co. Sink
D742486, Mar 11 2013 Kohler Co. Sink
D742487, Mar 11 2013 Kohler Co. Sink
D743013, Mar 11 2013 Kohler Co. Sink
D753803, Mar 26 2015 Component Hardware Group, Inc.; COMPONENT HARDWARE GROUP, INC Sink and faucet assembly
D763415, Mar 26 2015 Component Hardware Group, Inc. Sink and faucet assembly
D809112, Jun 29 2016 Acorn Engineering Company Basin
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4440185, Aug 18 1982 Support stand for a food slicer
4856559, Mar 21 1986 LIPSHULTZ, ALFRED J , Faucet providing and utilizing air gap
4991655, Sep 21 1988 BACK-FLO ALARM VALVE CO , INC Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system
5217038, Mar 31 1992 EDUCTOR PARTNERSHIP Apparatus for emptying a hazardous waste container
5392803, Nov 19 1992 CORE INDUSTRIES, INC Apparatus and method for installing valves
5649681, Sep 28 1995 Drain trough mounting apparatus and method of manufacturing same
5876000, Nov 06 1997 Sioux Chief Manufacturing Company, Inc. Universal pipe bracket
6021805, Jun 09 1998 WATTS REGULATOR CO Backflow preventer assembly
6397878, Aug 05 1999 WATTS WATER TECHNOLOGIES, INC High pressure hose drop backflow/back siphonage preventers
20030188779,
20050098212,
D243182, Oct 06 1975 STERLING PLUMBING GROUP, INC Combination vanity and lavatory
D255923, Oct 23 1978 S C ACQUISITION COMPANY, A CORPORATION OF OHIO Sink
D285522, Dec 19 1983 Portable collapsible combination sink and stove
D382332, Dec 05 1995 Kinplex Corporation Sink
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 14 2005DeGarmo Plumbing, Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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