Coupling hook

The ornamental design for a coupling hook, as shown.

FIG. 1 is a perspective view taken from the front and top of a coupling hook showing my new design;

FIG. 2 is a perspective view taken from the front and bottom thereof; and

FIG. 3 is a perspective view taken from the rear and top thereof, showing the safety catch in an open position.

Patent	Priority	Assignee	Title
10066659,	Feb 20 2013	SUGATSUNE KOGYO CO , LTD	Hook
11513558,	Jun 21 2019	Patricko, LLC	Connectors for mobile electronic devices
11547790,	May 22 2020	AUSTIN HARDWARE AND SUPPLY, INC	Intravenous fluid bag holder
D308478,	Aug 10 1987	Sierra Conveyor Company, Incorporated	Hook for repair of elastomeric drive belt
D348214,	Feb 16 1993		Safety hook
D370406,	Sep 16 1994		Safety hook
D381889,	Dec 27 1995	Gunnebo Industrier AB	Excavator hook
D462891,	Feb 05 2002	Bison Designs, L.L.C.	Triad clip
D466791,	Feb 05 2002	Bison Designs, L.L.C.	Question mark shaped carabiner
D475605,	Aug 05 2002	Bison Designs, L.L.C.; BISON DESIGNS, L L C	Fish hook shaped carabiner
D577572,	Jan 21 2008	Bison Designs, LLC	Carbon fiber carabiner
D591584,	Jan 21 2008	Bison Designs, LLC	Carbon fiber carabiner
D631331,	Aug 24 2010	Bison Designs, LLC	Handle
D809370,	Jan 06 2017		Utility clip
D878910,	Aug 30 2019	Patricko, LLC	Retainer device

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