US PATENT SUBCLASS 89 / 37.09
.~ Leveling

Current as of: June, 1999
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89 /   HD   ORDNANCE

37.01  DF  MOUNTS {18}
37.09.~ Leveling

DEFINITION

Classification: 89/37.09

Leveling:

(under subclass 37.01) Devices wherein the supporting structure includes mechanism for adjusting the device so that all horizontal or vertical angles will be measured in the true horizontal and vertical planes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.18, for motor operated trunion tilt training mechanisms.

41.22, for training mechanisms which are gyroscope or

pendulum initiated.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

235+, for gun sights or ordnance devices having means for leveling.