Class 169: FIRE EXTINGUISHERS ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
169
FIRE EXTINGUISHERS

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Subclass		Title
ClassTitle		===> FIRE EXTINGUISHERS

43		PROCESSES
44		. With mixing of extinguishing compounds
45		. Of preventing fire
46		. Of extinguishing fire
47		. . By projecting extinguishant directly onto seat of fire
48		APPARATUS WHICH ISOLATES FLAMES FROM NON-BURNING AREA
49		. With means to isolate fire from atmosphere and extinguish
50		. . Acted upon by operator in use
51		MOUNT, CABINET OR GUARD
52		. Movable relative to fire
53		. . On air-borne vehicle
24		. . Fire engines
25		. . Water towers
54		SPECIAL APPLICATIONS
55		. For railway car heaters
56		. Condition responsive control
57		. . Having fusible plug, support, or holder
58		. . Having frangible extinguishant holder
59		. . Fusible cable
60		. . Sensor, control and actuator
61		. . . Electrical control
62		. For vehicles
63		. For motion picture apparatus
64		. For mine
65		. For cooking installation
66		. For storage tank
67		. . Extinguisher having transport or erection means
68		. . With specific extinguishant applying means
69		. For oil or gas well
70		. With specific extinguishant applying means, or means for providing access to fire
5		FLUID SYSTEMS
6		. Chemical pressure generating
7		. . Automatic
8		. . . Pressure controlled
9		. Gas-pressure discharge
10		. Gravity
11		. Gas
12		. . Combustion products
13		. Pump supply
14		. Plural source, mixing in transit
15		. . Stream impregnating
16		. Distributing systems
17		. . Dry pipe
18		. . Hand controls
19		AUTOMATIC VALVES
20		. Pressure controlled
21		. . Lever system
22		. . Differential area
23		ALARMS
26		AUTOMATIC RECEPTACLES
27		. Chemical mixing
28		. Explosive
29		. Mechanical discharge
30		PORTABLE VESSELS
71		. Gas pressure
72		. . With means facilitating total discharge
73		. . . By collapsing chamber holding agent
74		. . With particular outlet structure
75		. . With means preventing accidental discharge, relieving pressure, or indicating condition within vessel
76		. . With means permitting repeated discharge
77		. . Power extinguishant
78		. . Produced by chemical mixing
79		. . . Upon inversion of internal container
80		. . . Upon inversion of vessel
81		. . . . Breaks reactant container
82		. . . . Reactant container closure released by gravity
83		. . . Upon breaking internal container
84		. . Produced by combustion
85		. . Pressurizing agent stored apart from agent
86		. . . With means to prevent freezing of expanding gas
87		. . . Vessel inverted to release gas
88		. . . Lever or trigger operated to release gas
89		. . Discharge head
33		. Piston discharge
34		. Buckets
35		. Tubes
36		. Grenades
37		SPRINKLER HEADS
90		. Shut off valve
38		. Collapsible strut
39		. . Compound
40		. Lever
41		. Direct support
42		FUSIBLE CONNECTIONS
91		MISCELLANEOUS: E.G., BLOWERS
		******************************
		DIGESTS
		******************************
DIG 1		Floats
DIG 2		Ablative fluids
DIG 3		Trip mechanisms

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Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 169 FIRE EXTINGUISHERS

Manual of U.S. Patent Classification
as of June 30, 2000

Class
169
FIRE EXTINGUISHERS