(under subclass 1) Devices comprising a plurality of switches each being separately operated and usually provided with interlocking means to permit their operation only in a definite order.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9, for multiple contact or pivoted contact of plural switch devices.
13, for dial-type plural switch devices.
18, for plural switch devices with operating means.
50.01+, for retarded interlocking switches.
SEE OR SEARCH CLASS 341, Coded Data Generation or Conversion,
