US PATENT SUBCLASS 441 / 82
.~ For use over ice

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

80  DF  WATER RESCUE OR LIFE PROTECTING APPARATUS {8}
82.~ For use over ice

DEFINITION

Classification: 441/82

For use over ice:

(under subclass 80) Device specifically adapted for rescuing a person who has fallen through broken ice.