Patent
   D724352
Priority
Mar 30 2012
Filed
May 30 2013
Issued
Mar 17 2015
Expiry
Mar 17 2029
Assg.orig
Entity
unknown
10
10
n/a
The ornamental design for a mattress core, as shown and described.

FIG. 1 is a top perspective view of the mattress core;

FIG. 2 is a bottom perspective view;

FIG. 3 is a top view;

FIG. 4 is a bottom view;

FIG. 5 is a side view; and,

FIG. 6 is a front view thereof.

Malkiewicz, James R., Malkiewicz, Michael J.

Patent Priority Assignee Title
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D982935, Aug 31 2021 SHENZHEN YIDAOTONGDA TECHNOLOGY CO., LTD. Cushion
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D986636, Jan 18 2022 NINGBO BOLIAN IMPORT AND EXPORT CO , LTD Pillow
Patent Priority Assignee Title
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