US PATENT SUBCLASS 5 / 422
.~ With heating or cooling means

Current as of: June, 1999
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5 /   HD   BEDS

665  DF  WATERBED OR ASSOCIATED DEVICE {14}
422.~ With heating or cooling means

DEFINITION

Classification: 5/422

With heating or cooling means:

(under subclass 665) Waterbed or associated device having means to heat the user or the waterbed.

(1) Note. This subclass receives patents claiming bed related structure combined with nominal recitation of a heater or heating means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284, for a heating or cooling device incorporated in a bedstead.

421+, for heating and cooling devices for subject matter under the class definition.

SEE OR SEARCH CLASS

62, Refrigeration,

259.1+, for cooling devices of structural installation. 165, Heat Exchange,

46, for flexible cover type.

219, Electric Heating,

217, combined with bed, and subclasses 527 and 528 for body supporting frame and flexible support.