US PATENT SUBCLASS 441 / 97
.~.~.~.~.~ Actuated by water softened or soluble member

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
96  DF  .~.~.~.~ With control valve {1}
97.~.~.~.~.~ Actuated by water softened or soluble member

DEFINITION

Classification: 441/97

Actuated by water softened or soluble member:

(under subclass 96) Device wherein the regulating means is restrained by a water soluble element or an element weakened by contact with water such that upon contact with water the regulating means can be used.