US PATENT SUBCLASS 169 / 56
.~ Condition responsive control

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

Internet Version by PATENTEC © 1999      Terms of Use


169 /   HD   FIRE EXTINGUISHERS

54  DF  SPECIAL APPLICATIONS {9}
56.~ Condition responsive control {4}
57  DF  .~.~> Having fusible plug, support, or holder
58  DF  .~.~> Having frangible extinguishant holder
59  DF  .~.~> Fusible cable
60  DF  .~.~> Sensor, control and actuator {1}

DEFINITION

Classification: 169/56

(under subclass 54) Apparatus, having a device which operates in response to a sensed condition relative to a fire in or about the particular structure with which it is to be associated to control a means which may extinguish a fire or prevent the spreading thereof in or about said particular structure.

(1) Note. Conditions which may be sensed relative to a fire may include heat, pressure, light, smoke, impact, deceleration, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19, for valve which control the flow of fire extinguishing fluid in a fire extinguishing system not associated with a specific structure and wherein said valve is responsive to a sensed condition.

26+, for containers having an extinguishant therein which are for general use and which will discharge the contents thereof in response to a predetermined condition.

SEE OR SEARCH CLASS 52, Static Structures (e.g., Buildings), appropriate subclass, for condition responsive components not claimed with fire extinguishing systems or for the purpose of fire extinguishing. Note particularly

1, 98, 168, and 232.