US PATENT SUBCLASS 89 / 1.809
.~ Underwater launching


Current as of: June, 1999
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89 /   HD   ORDNANCE

1.8  DF  ROCKET LAUNCHING {10}
1.809.~ Underwater launching {1}
1.81  DF  .~.~> Rocket launched from container


DEFINITION

Classification: 89/1.809

(under subclass 1.8) Subject matter wherein a rocket before being launched is located entirely or partially underwater, and during launching or soon thereafter, a part or all of the rocket contacts the water and wherein the rocket propulsion gas, or any other pressurized fluid employed to launch the rocket, may be produced by a chemical reaction or by a nonchemical-reaction means.