US PATENT SUBCLASS 441 / 12
.~.~.~ Audible


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}
11  DF  .~.~ With signalling device {4}
12.~.~.~ Audible


DEFINITION

Classification: 441/12

Audible:

(under subclass 11) Buoy wherein the attention drawing means is an audible signal, e.g., bell, whistle, etc.