US PATENT SUBCLASS 5 / 681
.~.~ Inflatable (e.g., air frame)

Current as of: June, 1999
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5 /   HD   BEDS

665  DF  WATERBED OR ASSOCIATED DEVICE {14}
678  DF  .~ With frame means supporting or surrounding a removable bladder {3}
681.~.~ Inflatable (e.g., air frame)

DEFINITION

Classification: 5/681

Inflatable (e.g., air frame):

(under subclass 678) Waterbed frame in which at least a portion of the construction is expandable with air or gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

687, for waterbeds that may have integral foam peripheral elements that do not permit the removal of the bladder.