US PATENT SUBCLASS 60 / 457
.~ Collapsible joined device having fluid trapping valve in joint

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
457.~ Collapsible joined device having fluid trapping valve in joint

DEFINITION

Classification: 60/457

(under subclass 325) Apparatus that is foldable to a collapsed position and having valving means in the joints used in folding the device that are closed by the folding to hold the motive liquid in place in the collapsed apparatus.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

58.1, for a knockdown expansible chamber device.