US PATENT SUBCLASS 211 / 28
.~ Mattress type

Current as of: June, 1999
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211 /   HD   SUPPORTS: RACKS

13.1  DF  SPECIAL ARTICLE {32}
28.~ Mattress type

DEFINITION

Classification: 211/28

(under subclass 13.1) Devices designed to support bed mattresses or articles of a similar type.