US PATENT SUBCLASS 441 / 96
.~.~.~.~ With control valve

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

DEFINITION

Classification: 441/96

With control valve:

(under subclass 92) Device including a means located in a flow line communicating the gas source with the chamber to regulate the flow of the pressurized gas from the source.