US PATENT SUBCLASS 441 / 44
.~ Columnar flotation member

Current as of: June, 1999
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441 /   HD   BUOYS, RAFTS, AND AQUATIC DEVICES

35  DF  RAFTS {8}
44.~ Columnar flotation member {1}
45  DF  .~.~> Hollow {1}

DEFINITION

Classification: 441/44

Columnar flotation member:

(under subclass 35) Device wherein the raft has an elongated buoyancy providing member having a cross-section with a periphery of a shape similar to a circle, or multiple sided geometric figure.