US PATENT SUBCLASS 60 / 399
.~ Unsafeness, unreadiness or disarray prevent manual change or operative state

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

Internet Version by PATENTEC © 1999      Terms of Use


60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
399.~ Unsafeness, unreadiness or disarray prevent manual change or operative state

DEFINITION

Classification: 60/399

(under subclass 325) Apparatus in which a precedent condition must be sensed or indicated as satisfied to permit the operator to change the operative state of the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

368, for a system controlled by a programmer to provide a series of operations in a desired order.