US PATENT SUBCLASS 5 / 706
.~ Having confined gas (e.g., air mattress)

Current as of: June, 1999
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690  DF  MATTRESS (FOR WHOLE BODY) {23}
706.~ Having confined gas (e.g., air mattress) {9}
707  DF  .~.~> Fixed amount of gas (i.e., permanently sealed container)
708  DF  .~.~> With integral manual pump (e.g., foot type)
709  DF  .~.~> With solid filler (e.g., foam, spring, fiber)
710  DF  .~.~> Including plural, separately inflatable, distinct gas containing compartments
711  DF  .~.~> Having dividing strip (e.g., parallel or slanted)
712  DF  .~.~> Having tie or internal seal
713  DF  .~.~> Variably pressurizable chambers (e.g., with pump)
714  DF  .~.~> With substantial ventilation or gas loss
715  DF  .~.~> Adapted to turn or move user

DEFINITION

Classification: 5/706

Having confined gas (e.g., air mattress):

(under subclass 690) Mattress including a flexible container that yieldably contains a fluid having neither independent shape nor volume but tends to expand indefinitely, usually air, to provide a yieldable supporting area for at least a portion of a user's body.

(1) Note. While the mattress as a whole is sized to support the whole of a user's body, the gas containing flexible container may comprise only a part of the whole mattress, thereby providing support only for a selected portion of the user's body, or provide only part of the supporting structure for the whole of the user's body, with other materials (e.g., springs, foam) providing additional support for a user's body.

(2) Note. The gas within the flexible container provides substantial support for the user, with the container being generally impervious to gases, the gas generally confined within the flexible container, and not expelled upon the weight of a user pressing on the flexible container, with the exception of subclasses 708, 712, and 713 defined below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

644, for support means for discrete portions of a user, containing fluent material.

654, for supports especially adapted for seating that contain fluent materials.

655.3, for supports for a user's body or part thereof that are inflatable. 932, for seals and sealing methods used with plastic devices.

SEE OR SEARCH CLASS

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

65, for an evacuation apparatus and subclass 114 for manipulation of flexible or collapsible receiver.

428, Stock Material or Miscellaneous Articles,

12, for a collapsible article.

441, Buoys, Rafts, and Aquatic Devices,

129+, for buoyant devices that can be mattresslike devices, especially adapted (e.g., with straps) to aid a user in floating on water.