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Patent
   D787862
Priority
Jul 01 2015
Filed
Dec 30 2015
Issued
May 30 2017
Expiry
May 30 2032
Inventors
Szpyt, Adam
Assg.orig
Assg.curr
Entity
unknown
Referenced by
8
References
14
Maint.:
n/a
The ornamental design for a mattress core, as shown and described.

1. Mattress core

1.1 is a top perspective view.

1.2 is a bottom perspective view.

1.3 is an enlarged fragmentary top perspective.
INVENTORS:

Szpyt, Adam

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D833777, Sep 16 2016 Shell for mattress
D927227, Apr 26 2019 NISHIKAWA Co., Ltd. Mattress
D927889, Oct 16 2019 ACQUIOM AGENCY SERVICES LLC Mattress layer
D927890, Apr 26 2019 NISHIKAWA Co., Ltd. Mattress
D932809, Oct 16 2019 ACQUIOM AGENCY SERVICES LLC Mattress layer
D945794, Aug 28 2020 Avocado Green Brands, LLC Mattress core
ER4299,
ER4520,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3209380,
4053957, Jun 01 1976 Multi-layered mattress
4862538, Oct 22 1986 Span-America Medical Systems, Inc. Multi-section mattress overlay for systematized pressure dispersion
5491852, Jul 21 1994 Koepp Aktiengesellschaft Mattresses and chaise longue cushions having a core made of flexible polyurethane foam
5604021, Dec 23 1994 SEALY TECHNOLOGIES LLC Multi-layer support pad having regions of differing firmness
9167909, Mar 21 2014 Mattress
D307687, Oct 28 1987 Span-America Medical Systems, Inc. Mattress pad material
D307690, Oct 28 1987 Span-America Medical Systems, Inc. Mattress pad material
D421358, May 09 1995 Mattress pad
D446071, Aug 16 2000 CARPENTER CO Support pad
D581715, May 29 2007 Mattress element
D642847, Aug 16 2010 FXI, INC Mattress
D675051, Sep 30 2011 NOMACO INC Edge support cushion
D740053, Jul 03 2013 Nomaco Inc. Foam cushion base
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