US PATENT SUBCLASS 33 / 465
.~.~ Single pivot

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

403  DF  STRAIGHTEDGE TYPE {16}
452  DF  .~ Plural straightedges, relatively moveable {6}
465.~.~ Single pivot {6}
466  DF  .~.~.~> Handsaw attachment
467  DF  .~.~.~> Lettering guide
468  DF  .~.~.~> T-head with pivoted straightedge {2}
471  DF  .~.~.~> With angle indicating means
472  DF  .~.~.~> Pivoted straightedge and sliding nonpivoted
473  DF  .~.~.~> Sliding pivotal adjustment

DEFINITION

Classification: 33/465

Single pivot:

(under subclass 452) Subject matter wherein the various straightedges are connected together so as to be rotatable relative to one another about a single axis.