US PATENT SUBCLASS 405 / 68
.~.~.~.~ Inflatable or deflatable

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

52  DF  FLUID CONTROL, TREATMENT, OR CONTAINMENT {7}
60  DF  .~ Floatable matter containment {4}
63  DF  .~.~ Floating barrier {5}
66  DF  .~.~.~ With barrier storage or deployment feature {2}
68.~.~.~.~ Inflatable or deflatable {1}
69  DF  .~.~.~.~.~> Self-inflating

DEFINITION

Classification: 405/68

Inflatable or deflatable:

(under subclass 66) Method or apparatus wherein the barrier includes a float portion which is expanded when being deployed by a buoyancy producing medium, or is expandable to receive such a medium or when being stored is collapsed by the removal of the buoyancy producing medium contained therein.