US PATENT SUBCLASS 33 / 415
.~ Multiplane angularly adjustable

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

403  DF  STRAIGHTEDGE TYPE {16}
415.~ Multiplane angularly adjustable {1}
416  DF  .~.~> Roof framing {1}

DEFINITION

Classification: 33/415

Multiplane angularly adjustable:

(under subclass 403) Subject matter comprising a plurality of connected straightedges for varying the relative position of the straightedges in more than one plane.