US PATENT SUBCLASS 33 / 462
.~.~.~.~ Central straightedge longitudinally adjustable

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


33 /   HD   GEOMETRICAL INSTRUMENTS

403  DF  STRAIGHTEDGE TYPE {16}
452  DF  .~ Plural straightedges, relatively moveable {6}
456  DF  .~.~ Multipivoted straightedges {3}
459  DF  .~.~.~ Two straightedges pivoted at the ends of a central straightedge {3}
462.~.~.~.~ Central straightedge longitudinally adjustable

DEFINITION

Classification: 33/462

Central straightedge longitudinally adjustable:

(under subclass 459) Subject matter wherein the middle straightedge is constructed in sections that can be varied in length by telescoping one section relative to the other.