US PATENT SUBCLASS 169 / 63
.~ For motion picture apparatus

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

54  DF  SPECIAL APPLICATIONS {9}
63.~ For motion picture apparatus

DEFINITION

Classification: 169/63

(under subclass 54) Apparatus for extinguishing fires in or about devices which manipulate moving picture film.

(1) Note. This subclass includes the combination of nominally recited film handling means with a fire extinguishing apparatus.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures, for fire prevention and isolation structure for film strips in combination with motion picture apparatus structure.