US PATENT SUBCLASS 49 / 11
.~ Float or vane controlled latch release

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

10  DF  FLOOD ACTUATED {2}
11.~ Float or vane controlled latch release

DEFINITION

Classification: 49/11

(under subclass 10) Device provided with a means which is responsive to a rise in the height of the water in the stream or to an increase in the velocity of the stream to release means holding the closure in closed position.