US PATENT SUBCLASS 110 / 103
.~ Boiler controlled
Current as of: June, 1999
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DEFINITION
Classification: 110/103
(under subclass 101) Devices for feeding fuel whose operation is controlled by the pressure of steam in the boiler heated by the fuel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
186+, for furnaces having progressive-feed grates whose movements and feeding mechanism are controlled by the pressure of steam in the boiler.
188+, for boiler controlled devices for feeding air and steam.
SEE OR SEARCH CLASS
236, Automatic Temperature and Humidity Regulation,
26, for boiler pressure controlled regulating mechanism.
