US PATENT SUBCLASS 33 / 809
.~.~ Exstensible-rule type

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

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
809.~.~ Exstensible-rule type

DEFINITION

Classification: 33/809

Extensible-rule type:

(under subclass 783) Subject matter wherein the contact members are part of a rule having sections which can be adjusted by sliding one section relative to the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452+, for plural straightedges, relatively movable.