US PATENT SUBCLASS 441 / 7
.~.~ Having means to release buoy upon submergence

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.~.~ Having means to release buoy upon submergence {3}
8  DF  .~.~.~> Water soluble or water weakened member
9  DF  .~.~.~> Gas assisted
10  DF  .~.~.~> Responsive to hydrostatic pressure

DEFINITION

Classification: 441/7

Having means to release buoy upon submergence:

(under subclass 6) Buoy secured to a body or vessel by means which upon the sinking of the body or vessel is released to permit the buoy to surface and mark its location.

SEE OR SEARCH CLASS

114, Ships,

326+, for submersible devices which have buoys that can be released.