US PATENT SUBCLASS 337 / 226
.~.~.~ Special adaptor or other selective means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
225  DF  .~.~ With overfusing or tamper prevention means {1}
226.~.~.~ Special adaptor or other selective means

DEFINITION

Classification: 337/226

(under subclass 225) Subject matter including adaptor or rejector means which will, when inserted or incorporated in a housing, casing or socket, will operate to exclude the use of all fuses except those designed for use in the particular electric circuit which is to be protected.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209, for fuse adaptors designed to permit ready interchange of diverse types of fuses.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

627+, and 644+ for panel board structure designed to prevent interchangeable insertion of diverse circuit breaking devices.

439, Electrical Connectors, appropriate subclasses; especially 133+, for an electrical connector with unauthorized connection preventer, e.g., key or combination lock; subclasses 304+ for means to retain a coupling part in engagement, including a "key" or combination lock to prevent separation from a mating part; and subclass 831 for a resilient spring clip adapted to receive the end contact of an elongated, fuselike component, which spring clip is combined with a contact rejection feature or an adapter.