US PATENT SUBCLASS 219 / 221
.~ Tool or instrument


Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
221.~ Tool or instrument {2}
222  DF  .~.~> Hair heaters {4}
227  DF  .~.~> Hand-manipulative {4}


DEFINITION

Classification: 219/221

(under subclass 200) Subject matter wherein an electrical means heats a tool or instrument which is not otherwise classified.

(1) Note. Included in this and the indented subclasses are patents in which the claimed subject matter includes the combination of a tool or instrument with a stand or support when the tool or instrument is not a hand held or manipulative tool or instrument.

SEE OR SEARCH THIS CLASS, SUBCLASS:

201+, for electric heaters combined with a diverse type art device.

SEE OR SEARCH CLASS

30, Cutlery,

140, for cutting tools with heater. 126, Stoves and Furnaces,

226+, for tool heaters of the nonelectric type and subclasses 401+ for a self-heated tool utilizing liquid or gaseous fuel.