US PATENT SUBCLASS 33 / 23.05
.~.~ Opposite replica

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

18.1  DF  SCRIBER {10}
23.01  DF  .~ Pantographic {12}
23.05.~.~ Opposite replica

DEFINITION

Classification: 33/23.05

Opposite replica:

(under subclass 23.01) Subject matter wherein the scribing member produces an opposite curve to the curve traced by the tracing member.

(1) Note. A symmetrical pattern may be traced by tracing one half of the pattern to produce an opposite half and the remaining half of the pattern is traced to produce the other negative half.