US PATENT SUBCLASS 33 / 286
.~ Alignment device

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
286.~ Alignment device {3}
287  DF  .~.~> Railway track
288  DF  .~.~> Vehicle chassis, running gear or headlamp
289  DF  .~.~> Game ball (e.g., football, etc.)

DEFINITION

Classification: 33/286

(under subclass 227) Device including means for positioning, or determining the position of, one object with respect to

another; e.g., tool and work piece or a part of an object with respect to another part, e.g., shaft.