US PATENT SUBCLASS 33 / 423
.~.~ With indicia for rafter cuts

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

403  DF  STRAIGHTEDGE TYPE {16}
418  DF  .~ Square and pivoted straightedge {5}
423.~.~ With indicia for rafter cuts

DEFINITION

Classification: 33/423

With indicia for rafter cuts:

(under subclass 418) Subject matter wherein the device includes various markings or numerical tables specifically designed for use in solving roof cutting problems.

SEE OR SEARCH THIS CLASS, SUBCLASS:

417, for similar types of straightedge devices having roof cutting tables or indicia.