US PATENT SUBCLASS 169 / 55
.~ For railway car heaters

Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

54  DF  SPECIAL APPLICATIONS {9}
55.~ For railway car heaters

DEFINITION

Classification: 169/55

(under subclass 54) Apparatus, especially adapted for extinguishing fire in or about a stove on a railway car.

(1) Note. These extinguishers are usually set in operation by an abnormal movement of the car, as by collision, derailment, or overturning.