US PATENT SUBCLASS 109 / 33
.~.~.~ Fusible, combustible or thermal actuator

Current as of: June, 1999
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109 /   HD   SAFES, BANK PROTECTION, OR A RELATED DEVICE

23  DF  COMBINED {8}
29  DF  .~ With fluent material releasing, generating and/or distributing means {4}
32  DF  .~.~ With operator and/or controller {1}
33.~.~.~ Fusible, combustible or thermal actuator

DEFINITION

Classification: 109/33

(under subclass 32) Devices wherein the mechanism is initiated or released by the action of heat. The device may be thermally responsive or may contain a fusible or combustible element.

(1) Note. Thermal responsive mechanisms may be found in many other places, including particularly: Class 137, Fluid Handling, subclasses 12.1, 59, 65, 72, 79, 389, 457, and 468: Class 49, Movable or Removable Closures, subclass 1, and Class 337, Electricity: Electrothermally or Thermally Actuated Switches, appropriate subclasses for thermostatically switches, per se, see Class 236, Automatic Temperature and Humidity Regulation, subclasses 91-104.