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Class Information
Number: 441/97
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By compressed gas means > With control valve > Actuated by water softened or soluble member
Description: 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.

Patents under this class:

Patent Number Title Of Patent Date Issued
7018258 Flotation device Mar. 28, 2006
5746633 Personal flotation device May. 5, 1998
4687451 Automatic actuation device for inflatable life-saving equipment Aug. 18, 1987
4582494 Protected liquid-sensitive actuator for displacement responsive devices Apr. 15, 1986

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