US PATENT SUBCLASS 33 / 279
.~.~.~ Angularly and rectilinearly
Current as of:
June, 1999
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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.