US PATENT SUBCLASS 441 / 95
.~.~.~.~.~ Actuated by water softened or soluble member

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}
88  DF  .~ Personal flotation device {9}
90  DF  .~.~ With mechanical inflation means {3}
92  DF  .~.~.~ By compressed gas means {2}
93  DF  .~.~.~.~ With puncturing means {2}
95.~.~.~.~.~ Actuated by water softened or soluble member

DEFINITION

Classification: 441/95

Actuated by water softened or soluble member:

(under subclass 93) Device wherein the piercing means is restrained by a water soluble element or an element weakened by contact with water such that upon contact with water the piercing means is released.