US PATENT SUBCLASS 335 / 159
.~ Plural independently operable switches


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

Internet Version by PATENTEC © 1999      Terms of Use



335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
159.~ Plural independently operable switches {3}
160  DF  .~.~> Interlocking {1}
162  DF  .~.~> With unitary housing, support or flux path
163  DF  .~.~> With unitary or common magnetic flux source


DEFINITION

Classification: 335/159

(under subclass 2) Subject matter wherein the structure comprises all of the essential elements (as defined in the definition of subclass 2 above, and not merely by name only) of two or more separate and distinct switch devices, which may or may not employ common electromagnetic operating means; and which if detached or removed from each of the other devices, is capable of opening or closing an electrical circuit by means within the device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11, for plural automatic circuit breakers.

52, for plural vacuum or hermetically sealed switches.

88+, for plural periodic switches.

206, for plural switches of the permanent magnet actuated type.

SEE OR SEARCH CLASS 200, Electricity: Circuit Makers and Breakers,

5, for multiple circuit control means comprising multiple switches.

307, Electrical Transmission or Interconnection Systems, with plural supply circuits or sources and having a switch in each supply source, and

113, for switching systems comprising plural switches.

361, Electricity: Electrical Systems and Devices,

1+, for safety and protective systems involving three wire lines with switch in each line and subclasses 139+ for electric circuits for plural relays or electromagnets.