US PATENT SUBCLASS 441 / 8
.~.~.~ Water soluble or water weakened member

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

1  DF  BUOY {6}
6  DF  .~ Marker buoy {2}
7  DF  .~.~ Having means to release buoy upon submergence {3}
8.~.~.~ Water soluble or water weakened member

DEFINITION

Classification: 441/8

Water soluble or water weakened member:

(under subclass 7) Buoy wherein the buoy is attached to a body or vessel by securing means soluble in, dissolved in, or weakened by water such that upon contact with water the securing means is disabled thereby releasing the buoy.