US Patent Class 236-- AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION-- MAIN HEADINGS

US Patent Class 236
AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION-- Main Headings

		CLASS NOTES
1 R	DF	MISCELLANEOUS {8}
2	DF	INCUBATOR TYPE OF HEATER {2}
6	DF	BROODER TYPE OF HEATER
7	DF	SADIRON TYPE
8	DF	ATOMIZER TYPE OF BURNER
9 R	DF	COMBINED HEATER AND APARTMENT CONTROLLED {1}
10	DF	HOT-AIR FURNACE {1}
12.1	DF	MIXING FLUID OF DISSIMILAR TEMPERATURE {6}
14	DF	COMBINED BOILER AND FURNACE CONTROLLED
15 R	DF	FURNACE CONTROLLED {4}
16	DF	COMBINED DRAFT AND CHECK CONTROL
*	DF	EXCHANGE HEATERS {2}
20 R	DF	CLOSED FLUID HEATERS {8}
34	DF	COOLING RADIATOR {2}
36	DF	HEATING RADIATOR {4}
44 R	DF	HUMIDITY CONTROL {4}
45	DF	DRAFT-OPERATED
46 R	DF	WITH TIMING ELEMENT {6}
47	DF	HIGH AND LOW TEMPERATURE ALTERNATE
48 R	DF	SNAP-ACTING {1}
49.1	DF	VENTILATOR TYPE {4}
50	DF	LIQUID VALVE
51	DF	DISTANCE-ADJUSTED
52	DF	FLOAT-OPERATED
*	DF	TRAPS {3}
*	DF	AIR-RELIEF VALVES {1}
67	DF	MOTORS {7}
*	DF	THERMOSTATIC {9}
		******************************
		DIGESTS
		******************************
DIG 1	DF	Adjustable lever
DIG 2	DF	Fail safe
DIG 3	DF	Safety electric
DIG 4	DF	Safety vacuum
DIG 5	DF	Fusible
DIG 6	DF	Clamp on
DIG 7	DF	Coil bulb
DIG 8	DF	Computer
DIG 9	DF	Fan control
DIG 10	DF	Filling
DIG 11	DF	Expandible fluid
DIG 12	DF	Heat conductor
DIG 13	DF	Humidithermostat
DIG 14	DF	Intermittant control
DIG 15	DF	Photocell
DIG 16	DF	Relief spring
DIG 17	DF	Spring rate compensator
DIG 18	DF	Rubber
DIG 19	DF	Ventilated thermostat