US PATENT SUBCLASS 114 / 331
.~.~ Depth control

Current as of: June, 1999
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114 /   HD   SHIPS

312  DF  SUBMERSIBLE DEVICE {15}
330  DF  .~ Having attitude control {1}
331.~.~ Depth control {2}
332  DF  .~.~.~> Diving plane
333  DF  .~.~.~> Water ballast

DEFINITION

Classification: 114/331

Depth control:

(under subclass 330) Device wherein a means is provided to control the vertical distance of a submersible device from the surface of the water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

245, for submerged towed objects having depth control means.