Mattress

The ornamental design for a mattress, as shown and described.

1. Mattress

1.1 is a top perspective view.

1.2 is an enlarged fragmentary views sowing the details of one of the handles.

1.3 is a top perspective with the cover partially opened showing a portion of the core.

1.4 is an enlarged fragmentary view.

Patent	Priority	Assignee	Title
10675199,	Nov 11 2016	Apex Medical Corp.	Patient support structure, pressure relief module and non-powered pressure regulation method
D853755,	Jul 24 2017	The Shrunks	Inflatable activity bed
D904073,	Aug 29 2014	Stryker Corporation	Patient support cover
D953071,	Sep 02 2020		Mattress
D953073,	Jun 23 2020	NEW-TEC INTEGRATION XIAMEN CO , LTD	Spring mattress
D983568,	May 11 2020		Fitted bed sheet

Patent	Priority	Assignee	Title
2400731,
3209380,
4862538,	Oct 22 1986	Span-America Medical Systems, Inc.	Multi-section mattress overlay for systematized pressure dispersion
5081728,	Oct 22 1990		Mattress and mattress cover
5491852,	Jul 21 1994	Koepp Aktiengesellschaft	Mattresses and chaise longue cushions having a core made of flexible polyurethane foam
6684461,	Jan 17 2002	ASHEBORO ELASTICS CORP	Mattress handle formed of a textile web with cushioned edges
7293311,	Mar 04 2004	Spring Air West, L.L.C.	Method of making a multilayered mattress component
8347430,	Dec 29 2010	CIT NORTHBRIDGE CREDIT LLC, AS AGENT	Mattress protector
8904581,	Dec 06 2011		Expandable mattress cover
9167909,	Mar 21 2014		Mattress
9259099,	Apr 30 2013	SOUND SLEEP PRODUCTS, INC	Foam mattress with resilient reinforcing members and air channels
D744768,	Aug 24 2010	SEALY TECHNOLOGY, LLC	Mattress with contrasting tape edge and handles

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