US PATENT SUBCLASS 33 / 27.01
.~ Curved line

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

18.1  DF  SCRIBER {10}
27.01.~ Curved line {13}
27.02  DF  .~.~> Compass {2}
27.04  DF  .~.~> Circle forming frame support
27.05  DF  .~.~> Circle forming roller
27.06  DF  .~.~> Circle forming pin and jointed arm
27.07  DF  .~.~> Circle forming rotating table
27.08  DF  .~.~> Conic section
27.09  DF  .~.~> Spiral
27.1  DF  .~.~> Sine curve
27.11  DF  .~.~> Rose engine
27.12  DF  .~.~> Pattern follower
28  DF  .~.~> Lens
29  DF  .~.~> Stair
30.1  DF  .~.~> Ellipsograph {7}

DEFINITION

Classification: 33/27.01

Curved line:

(under subclass 18.1) Subject matter wherein the means for describing a line is designed for producing a line which is not straight.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26, for a device describing both straight and curved lines.

558.01, for pivoted opposed contact distance measurers including dividers.

810+, for beam-trammal type distance measurers.