US PATENT SUBCLASS 33 / 279
.~.~.~ Angularly and rectilinearly


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

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
276  DF  .~ Multisight line {2}
278  DF  .~.~ Relatively movable {2}
279.~.~.~ Angularly and rectilinearly


DEFINITION

Classification: 33/279

(under subclass 278) Device wherein the sight directing means are movable both about an axis and in a straight line relative to each other.