US PATENT SUBCLASS 89 / 37.02
.~ Anti-aircraft

Current as of: June, 1999
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89 /   HD   ORDNANCE

37.01  DF  MOUNTS {18}
37.02.~ Anti-aircraft

DEFINITION

Classification: 89/37.02

Anti-aircraft:

(under subclass 37.01) Devices wherein the ordnance mount is especially designed to be shifted in direction and elevation, including overhead, for the purpose of defense against airborne aircraft.