US PATENT SUBCLASS 33 / 475
.~.~ With right angle truing adjustment

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}
474  DF  .~ Plural straightedges nonadjustably fixed at right angles (e.g., T-square, triangles, squares) {7}
475.~.~ With right angle truing adjustment

DEFINITION

Classification: 33/475

With right angle truing adjustment:

(under subclass 474) Subject matter provided with means to accurately position the straightedges at a 90 deg. angle relative to each other.