US PATENT SUBCLASS 102 / 414
.~.~.~.~ Hydrostatic pressure

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

401  DF  MINES {5}
406  DF  .~ Marine type {5}
411  DF  .~.~ Laying, anchoring, or manipulating {2}
412  DF  .~.~.~ Depth regulation {2}
414.~.~.~.~ Hydrostatic pressure

DEFINITION

Classification: 102/414

Hydrostatic pressure:

(under subclass 412) Subject matter wherein the depth of the mine is controlled by means responsive to the pressure of the water at a certain depth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

392, for drop marine bomb with hydrostatic ignition means.