US PATENT SUBCLASS 114 / 330
.~ Having attitude control

Current as of: June, 1999
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114 /   HD   SHIPS

312  DF  SUBMERSIBLE DEVICE {15}
330.~ Having attitude control {1}
331  DF  .~.~> Depth control {2}

DEFINITION

Classification: 114/330

Having attitude control:

(under subclass 312) Device wherein said submergible vessel is provided with means to control the inclination of said vessel in relation to its frame of reference or to otherwise vary the vertical distance between the vessel and the frame of reference.