US PATENT SUBCLASS 242 / 571.2
.~.~.~ Plural

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
571  DF  .~ Radially expansible or contractile {8}
571.1  DF  .~.~ Inflatable bladder {1}
571.2.~.~.~ Plural

DEFINITION

Classification: 242/571.2

Plural:

(under subclass 571.1) Subject matter wherein multiple flexible wall compartments are provided, which compartments may be independently or commonly pressured.