Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lei Shi0
Date of Patent
April 16, 2019
0Patent Application Number
149394290
Date Filed
November 12, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A mattress core with replaceable inner blocks includes a base, an open slot A located in the upper portion of the base, an open slot B located in the lower portion of the base, an inner block located within slot B and shaped to partially fill up slot B with the remaining space forming a groove in slot B, a strip-shaped inner block made of soft material and fit into the groove, and a cover plate configured to fit in said slot A.
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