US PATENT SUBCLASS 441 / 14
.~.~.~.~ By combustion of fluid

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}
13  DF  .~.~.~ Illuminating {2}
14.~.~.~.~ By combustion of fluid {1}
15  DF  .~.~.~.~.~> Fluid produced by chemical reaction with water

DEFINITION

Classification: 441/14

By combustion of fluid:

(under subclass 13) Buoy wherein the light is produced by burning of a liquid or gas.