US PATENT SUBCLASS 60 / 39.11
.~.~ Flame screen
Current as of:
June, 1999
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60 /
HD
POWER PLANTS
39.01
DF
COMBUSTION PRODUCTS USED AS MOTIVE FLUID
{31}
39.091
DF
.~ With safety device {5}
39.11
.~.~ Flame screen
DEFINITION
Classification: 60/39.11
(under subclass 39.09) Plants in which the safety means includes screens or equivalent means to prevent the flash-back of the flame.
SEE OR SEARCH CLASS
48, Gas: Heating and Illuminating,
192, for safety devices for preventing, localizing and confining explosions in a gas distributing system.
123, Internal-Combustion Engines,
434, for safety devices used in connection with charge-forming devices of internal-combustion engines.
220, Receptacles, 88.1+, for flame guards for receptacles.
222, Dispensing,
189.01, for flame guards for dispensers.
