US PATENT SUBCLASS 244 / 95
.~.~ Ballast making

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
93  DF  .~ Stabilizing weights {2}
95.~.~ Ballast making

DEFINITION

Classification: 244/95

(under subclass 93) Devices on aircraft for producing heavy material for ballast purposes. An example is the production of water-ballast from exhaust gases to replace the weight of fuel used.