Key blank

The ornamental design for a key blank, as shown and described.

FIG. 1 is a perspective view of a key blank showing my new design;

FIG. 2 is a left side elevation view thereof, the right side elevation view thereof being the same thereof;

FIG. 3 is a to plan view thereof, the bottom plan view thereof being the same thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a rear elevation view thereof.

Patent	Priority	Assignee	Title
10125520,	Jul 10 2013	ASSA ABLOY SCHWEIZ AG	Key and rotary cylinder lock with key
D705766,	Oct 09 2012	Otter Products, LLC	Case for electronic device
D759462,	Dec 16 2014	NU D LIMITED	Latch key with triangular head
D787692,	Apr 27 2016	GSK AUTISM, LLC	Sensory chew simulating a skeleton key
D788931,	Apr 27 2016	GSK AUTISM, LLC	Sensory chew simulating a key
D802079,	Mar 16 2016		Key knife
D825314,	Dec 22 2015		Shaft of a key
D911814,	Mar 05 2019	VOLKSWAGEN AKTIENGESELLSCHAFT	Vehicle key
D939927,	Sep 13 2019	Buster and Punch Limited	Key blank
D956518,	Jul 02 2020	FELLOWES INC	Hygiene key
ER2073,
ER2209,

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