(under subclass 456) Subject matter comprising a plurality of straightedges pivotally connected at their extremities and particularly designed to be used as measuring devices when all the sections are laid out in a straight line.
(1) Note. When the device has more than one pivot which are adjusted to positions other than a straight line or other measuring purposes, the patents are placed elsewhere in the schedule.
(2) Note. The patents in this subclass relate to devices which are folded for the purpose of storage.
SEE OR SEARCH THIS CLASS, SUBCLASS:
456, for multipivoted straightedges which are designed for the purpose of making a geometrical relationship.
