US PATENT SUBCLASS 335 / 60
.~.~ Plural sets of contacts alternately, consecutively or selectively opened or closed

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
59  DF  .~ Retarded or delayed type {7}
60.~.~ Plural sets of contacts alternately, consecutively or selectively opened or closed

DEFINITION

Classification: 335/60

(under subclass 59) Subject matter wherein the device comprises means whereby a plurality of two or more electric circuits are adapted to be energized alternately, consecutively or selectively.

(1) Note. For multiple contact switches in general, such as automatic telephone switches, but not involving time delay, search subclasses 107+ below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8+, for automatic circuit interrupters of the multipole or polyphase type.

11, for automatic circuit interrupters of the plural switch

type.

48, for conductive liquid switches with three or more contacts. 72, for motor actuated switches with three or more contacts.

88+, for periodic or vibratory switches with plural pairs of contacts.

107+, for multiple contact switches in general of the selectively sequentially, alternatively or intermittently actuated type. See (1) Note above.

152, for vacuum or hermetically sealed type plural switches.

159+, for plural independently operative switches in general.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

37, for multiple contact rotary retarded switches.