Cooling hard hat

The ornamental design for a cooling hard hat, as shown and described.

FIG. 1 is a perspective view of a cooling hard hat showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof, the opposite side view being a mirror image thereof; and,

FIG. 5 is a front view thereof.

Patent	Priority	Assignee	Title
D638586,	Aug 31 2010	3M Innovative Properties Company	Head gear top portion
D648899,	Jan 15 2010	Elvex Corporation	Safety helmet
D667590,	Jun 07 2011	JSP LIMITED	Helmet
D670034,	Oct 05 2011		Vented construction hard hat
D670891,	Sep 25 2011		Ventilated hat
D695460,	Oct 04 2012	Pyramex Safety Products, LLC	Safety helmet
D704379,	Sep 28 2012	K M W INC	Safety helmet
D705492,	Sep 19 2013	Honeywell International Inc.	Hardhat
D708792,	Aug 31 2010	3M Innovative Properties Company	Vent openings in head gear
D744169,	Sep 05 2013	SERE INDUSTRIES INC	Helmet counterweight shovel head
D888229,	Nov 15 2017	Honeywell International Inc.	Powered air purifying respirator with mohawk headpiece
D950160,	Jul 27 2020		Air conditioned hard hat
ER5698,
ER9888,

Patent	Priority	Assignee	Title
198776,
235938,
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D370308,	Jan 12 1994	Peltor AB	Protective helmet
D433776,	Dec 17 1999	TASCO Corporation	Safety helmet
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D498880,	Sep 17 2003		Helmet
D524990,	Sep 27 2004	John Paul, McKelvey	Safety helmet

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