US PATENT SUBCLASS 200 / 19.01
PERIODIC

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

19.01PERIODIC {13}
19.02  DF  .~> Combined {1}
19.06  DF  .~> Multiple contacts {2}
19.18  DF  .~> Rotary {1}
19.2  DF  .~> Cam operated {2}
19.3  DF  .~> Contact breaker detail {1}
19.32  DF  .~> Distributor cap detail
19.33  DF  .~> Distributor rotor detail
19.34  DF  .~> Elevated
19.35  DF  .~> Locks
19.36  DF  .~> Magnet
19.37  DF  .~> Traffic signal
19.38  DF  .~> Wire guard
19.39  DF  .~> Distributor {1}

DEFINITION

Classification: 200/19.01

PERIODIC:

(under the class definition) Devices in which the circuit is made and broken intermittently or at constantly recurring intervals.

(1) Note. There is usually a constantly driven member which operates a contact or plurality of contacts to intermittently make and break the contact.

(2) Note. This group includes devices known as "interrupters", "distributors", and "flashers".