Gun barrel cleaning means which are propelled through the
barrel by explosive or fluid under high pressure.
Fluid under high pressure, other then chemical reaction, which
escape very rapidly.
Material which burns or combusts which is intended to be projected,
dropped, thrown, or propelled is proper for the class. (1) By releasing
a combustion material to the atmosphere, e.g., gas, incendiary shell,
grenade, etc. (2) By generating heat to damage an object, e.g.,
thermite means.
Subcombinations peculiar to the class which are not classified
in other classes, e.g., cartridge case, primer ignitor, fuse, sabot,
rifling band, wad, propellant form, etc.
Dummy, practice, drill, training ammunition, etc., is classified
with the conventional ammunition.
Patents issued prior to 1950 have not in all instance been classified
by their claimed disclosure but by their total disclosure so that
placement of these older patents does not necessarily indicate lines
of classification.
The Search Notes below also contain classification lines.
Ammunition and Explosive-Charge Making, for the processes of making explosive charges or
ammunition for firearms, ordnance, pyrotechnic, blasting charges,
etc.
Ordnance, for guns of the class type and
subclass 1.14 for explosive-operated apparatus, e.g, explosive
and door hinge, tool explosively actuated, band release, expansion
of tube, cable cutter, etc.
Signals and Indicators,
subclasses 11 , 15, 17, 23, 78, 83, 87+, and 105 for
detonating alarms adapted to be fired by intruders or by the occurrence
of some event.
Wells,
subclass 299 for well processes using explosives; subclass 55.1
for well-tubing perforators operated by explosives combined with a
disparate feature and perforator which do not act inherently to
penetrate the formation; and subclass 63 for well apparatus with
an explosive means.
Boring or Penetrating the Earth,
subclasses 1 and 2+ for process or apparatus for boring
a hole into the earth including a below-ground explosion or for
subject matter relating to a gun or shape charge device for penetrating
an earth formation or perforating a casing or other wall member
in an inaccessible hole in the earth, see the class definition
of Class 175 for the line between classes (102) and 175.
Aeronautics and Astronautics,
subclasses 3.1+ for trajectory control or stabilizing means for propelled
or thrown explosive weapons or for missiles; and subclass 14 for
air-sustained, self-propelled aerial torpedoes; and subclass 117
for heat shields.
Mining or In Situ Disintegration of Hard Material,
subclass 13 for process of disintegrating by explosives; and
subclass 20 for expansible breaking-down devices.
Combustion,
subclasses 357+ for a flashing charge type illuminating burner;
subclasses 288+ for a candle or candle apparatus; and appropriate
subclass for a residual process or structure specialized to combustion
or combustion starting and not specifically provided for in Class
110 or in some other class.
SECTION III - GLOSSARY
EXPLOSIVE
The term is used to include a detonating, deflagrating,
or thermic composition of the type defined in the class definition
of Class 149, Explosive and Thermic Compositions or Charges.
MISSILE
Any object thrown, dropped, projected, or propelled for the
purpose of making it damage a target.
PAYLOAD
A container for holding explosive, research, reconnaissance,
or counter measure equipment, animal life, parachute, etc., which
is propelled into the air by an explosive means.
This subclass is indented under the class definition. Subject matter for initiating the combustion or detonation
of explosive or thermic compositions or charges.
(1)
Note. The explosive or thermic compositions or charges of
this subclass type are the same as those defined in the class definition
of Class 149, Explosive and Thermic Compositions or Charges.
(2)
Note. Illustrative of the devices and systems of this subclass
type are missile and ordnance fuzes, both mechanical and electrical,
and priming and igniting devices and systems not specifically provided
for elsewhere in this class.
(3)
Note. Systems, as used in this subclass and the subclasses
indented hereunder, refer to a plurality of electrical, mechanical
and/or explosive elements all acting in a pattern or sequence
to cause detonation or combustion of a main explosive such as a
war head or propellant. Typical of such systems is the type commonly referred
to as a firing train.
for fuses and ignitors, per se, for marine type
drop bombs, specially designed for operation in water, e.g., those
operated by water flow or by hydrostatic pressure.
This subclass is indented under subclass 200. Subject matter for initiating the combustion of a charge
for driving missiles in which the driving charge travels with the
missile.
(1)
Note. For devices such as impact or friction primers for igniting
propelling charges of the type that do not travel with the missile,
e.g., for propelling gun cartridges, search this class, subclass
204 or 205.
Power Plants,
subclasses 39.821+ for ignition devices in combination with power
plants; and subclass 256 for ignitors in combination with rocket motors.
This subclass is indented under subclass 200. Subject matter which includes a device, to set off an explosive
or thermic composition or charge, which includes means to prevent
an unwanted energization of the device.
(1)
Note. Electrical and nonelectrical primers and igniters are
included in the term "device".
This subclass is indented under subclass 202.5. Subject matter wherein the composition or charge burns to
produce a flame when ignited by the electrical igniting device and
the composition or charge is integral with the electrical igniting
device.
(1)
Note. There may or may not be a housing to encompass the matchhead.
This subclass is indented under subclass 202.5. Subject matter wherein the recited elements form an electric
blasting cap having leads to supply power to the igniting or detonating device
and there is a support member to (a) support the blasting cap within
or on the support member or (b) permit the coiling of the lead wires
about, within, or on the support member to form a compact unit when
not in use or (c) there is an electric blasting cap with leads long
enough to coil the lead wires into a wire bundle with the cap inserted
within the bundle, in either case, to form a packaged item before
use.
(1)
Note. The support member may also be designed to hold a explosive
charge as a stick of dynamite as well as the blasting cap.
This subclass is indented under subclass 202.5. Subject matter which additionally includes in a common unit
a combustible chemical composition which is ignited or detonated
by the explosive or thermic material when it is ignited or detonated
to cause a delay in the time a further explosive or thermic composition
will be ignited in the same unit as a result of the detonated or
ignited composition.
This subclass is indented under subclass 202.5. Subject matter wherein the explosive or thermic composition
or charge and the electrical igniting or detonating device are within
a common container.
(1)
Note. Blasting caps having an electric bridgewire igniting
device and an explosive charge in a common container are here.
for contained blasting charges with a primer or
ignitor having an explosive or thermic charge with an electric detonating
or igniting device in a common container.
This subclass is indented under subclass 202.1. Subject matter wherein the device has lead wires connected
thereto and means forming part of the device to attenuate or eliminate
(a) the effects of electromagnetic radiation on all or part of the
device, (b) the passage of unwanted frequencies of alternating currents
or voltages through the lead wires or the device, (c) the passage
of unwanted current or voltage through the lead wires or the device.
Electrical Connectors,
subclasses 607+ for quick make and break connectors having a screen
to reduce or eliminate the self-inductance of a connector or external
magnetic fields on a connector.
This subclass is indented under subclass 202.1. Subject matter wherein the device includes bare lead wires
and a resistive shunt connected between the wires or between a wire
and a casing of the device so that the bulk of the current caused
by accidental abnormal voltages is diverted through the shunt to
prevent the ignition of the device.
(1)
Note. The shunt may or may not be removed when the device
is energized.
(2)
Note. The shunt, per se, is here.
(3)
Note. The term "lead wires" include terminals.
(4)
Note. Here the resistance of the shunt is fixed.
This subclass is indented under subclass 202.3. Subject matter wherein the resistive shunt has a high resistance
to normal operating voltage and a lower resistance to higher than
normal voltage present between the wires or a wire and the casing
to pass most of the currents caused by the higher voltage through
the shunt.
(1)
Note. The shunt may be a gas which conducts when the higher
voltage ionizes the gas or a semiconductive material that breaks
down and passes current.
This subclass is indented under subclass 200. Subject matter which includes an explosive or thermic composition
or charge and an electrical igniting or detonating device to cause
the composition or charge to attain its combustion or detonation
point.
(1)
Note. In this group of subclasses are electrically energized
ignitors or detonators not contained in a container. If there are
components in addition to the detonating or igniting device forming
an electric circuit within the container common unit and wires or
terminals leading outside the unit to some continuation of the circuit,
the claim will be classified within this group of subclasses. If
electrical components are claimed in addition to the lead wires
outside of common unit, the claim will be classified under subclasses
206+.
This subclass is indented under subclass 202.5. Subject matter wherein there is (a) a second igniting or
detonating device to cause the composition or charge to burn or
detonate, or (b) means, including a housing for enclosing the composition
or charge and the igniting or detonating device, affected by water
to cause the igniting or the detonating device from energizing or
the composition or charge from igniting or detonating.
(1)
Note. The term "burn" includes deflagrating
charges or compositions.
(2)
Note. Here the composition or charge and the two means to
ignite or detonate the composition or charge are in a common housing.
(3)
Note. Munition and blasting fuses are in this subclass.
This subclass is indented under subclass 202.5. Subject matter wherein the electrical device is an electrically
conductive wire or semiconductor which vaporizes when electrically
energized and produces a shock wave of high pressure or high temperature
which causes the composition or charge to detonate, deflagrate or
burn.
Electricity: Electrothermally or Thermally Actuated
Switches,
subclasses 227+ for electrothermal fusible elements having a fuse
link carrier or holder; and subclasses 290+ for electrothermal
fusible links or element structure or material.
This subclass is indented under subclass 202.5. Subject matter wherein the device produces an electric arc
to ignite or detonate the composition or charge or the composition
or charge is electrically conductive so that in an electric energized
circuit the charge or composition is self-detonating or igniting.
Electric Lamp and Discharge Devices,
subclasses 306+ for discharge devices having three or more electrodes;
subclass 309 for discharge devices having a multi-pointed or serrated
edge electrode; and subclass 325 for miscellaneous discharge devices.
This subclass is indented under subclass 202.5. Subject matter wherein the electric igniting or detonating
device has an electric power connection of the quick make or break
type to connect the device with an appropriate source of power.
This subclass is indented under subclass 200. Subject matter comprising an electrical circuit, or components
of an electrical circuit to supply electrical energy to an igniting
device.
This subclass is indented under subclass 206. Subject matter including means to selectively convert nonelectrical
energy into electrical energy.
(1)
Note. Subject matter for supplying electrical energy which
is excluded from this subclass includes, for example, storage batteries
and capacitors merely switched into a circuit. Subject matter included
in this subclass includes, for example, tribo-electric generators
and thermal and deferred-action batteries.
This subclass is indented under subclass 207. Subject matter wherein electricity is generated by relative
movement between a coil and magnetic material.
This subclass is indented under subclass 206. Subject matter which comprises a means for sensing the distance
or proximity of a target, such sensing means causing ignition of
an explosive.
Communications: Directive Radio Wave Systems and
Devices (e.g., Radar Radio Navigation),
subclass 68 and 166 for similar proximity fuzes and appropriate
subclasses for distance measuring devices.
This subclass is indented under subclass 218. Subject matter in which the switching means includes a gas
to be ionized, such as the gas in a glow tube or thyratron.
Miscellaneous Active Electrical Nonlinear Devices,
Circuits, and Systems, appropriate subclasses for miscellaneous circuits
which employ silicon controlled rectifiers.
This subclass is indented under subclass 200. Subject matter which includes means selectively rendering
the igniting device or system capable of igniting an explosive.
(1)
Note. The means of this subclass type, for example, renders
an igniting device or system incapable of igniting an explosive
until the means is either activated or withdrawn.
(2)
Note. Restrained impacting devices which are released upon
striking a target or similar object are not considered arming devices
of this subclass type and are classifiable in subclass 272 below.
(3)
Note. Arming devices combined with art provided for elsewhere
in this class are classified with such art.
This subclass is indented under subclass 221. Subject matter wherein ignition requires the cooperation
of at least two elements, and wherein the arming means includes
movable means which selectively either prevents or permits cooperation
of the two elements.
This subclass is indented under subclass 222. Subject matter in which the blocking or interrupting means
is activated or rendered operative by fluid pressure.
This subclass is indented under subclass 223. Subject matter including a member rotated about an axis
by the fluid pressure to move or permit movement of the blocking
or interrupting means.
This subclass is indented under subclass 225. Subject matter in which the blocking or interrupting means
is slidable or rotatable.
(1)
Note. Subject matter of this subclass type includes, for example,
an element either carrying an explosive or having an aperture initially
out of alignment in a firing train which subsequently moves the
explosive or aperture into alignment with the firing train.
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