US PATENT SUBCLASS 89 / 39
.~.~ Counterpoise

Current as of: June, 1999
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89 /   HD   ORDNANCE

37.01  DF  MOUNTS {18}
38  DF  .~ Disappearing gun {1}
39.~.~ Counterpoise

DEFINITION

Classification: 89/39

(under subclass 38) Mounts which are balanced by a weight or weights.