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Class   303FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS
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 [List of Pre Grant Publications for class 303 subclass 1][List of Patents for class 303 subclass 1]1 MISCELLANEOUS
[List of Pre Grant Publications for class 303 subclass 2][List of Patents for class 303 subclass 2]2 MULTIPLE SYSTEMS
 [List of Pre Grant Publications for class 303 subclass 3][List of Patents for class 303 subclass 3]3 Subclass 3 indent level is 1 Fluid pressure and electric
 [List of Pre Grant Publications for class 303 subclass 4][List of Patents for class 303 subclass 4]4 Subclass 4 indent level is 1 Fluid pressure and vacuum
[List of Pre Grant Publications for class 303 subclass 5][List of Patents for class 303 subclass 5]5 MULTIPLE FLUID-RECEIVING DEVICES
[List of Pre Grant Publications for class 303 subclass 6.01][List of Patents for class 303 subclass 6.01]6.01 Subclass 6.01 indent level is 1 Multiple motors
 [List of Pre Grant Publications for class 303 subclass 6.1][List of Patents for class 303 subclass 6.1]6.1 Subclass 6.1 indent level is 2 Brake and door
[List of Pre Grant Publications for class 303 subclass 7][List of Patents for class 303 subclass 7]7 Subclass 7 indent level is 2 Sectional train
 [List of Pre Grant Publications for class 303 subclass 9][List of Patents for class 303 subclass 9]9 Subclass 9 indent level is 2 Supplementary in emergency
 [List of Pre Grant Publications for class 303 subclass 9.61][List of Patents for class 303 subclass 9.61]9.61 Subclass 9.61 indent level is 2 Separate and simultaneous control
[List of Pre Grant Publications for class 303 subclass 9.62][List of Patents for class 303 subclass 9.62]9.62 Subclass 9.62 indent level is 2 Apportioning control
 [List of Pre Grant Publications for class 303 subclass 9.76][List of Patents for class 303 subclass 9.76]9.76 Subclass 9.76 indent level is 2 Spring operated motor
[List of Pre Grant Publications for class 303 subclass 10][List of Patents for class 303 subclass 10]10 WITH PUMP
 [List of Pre Grant Publications for class 303 subclass 11][List of Patents for class 303 subclass 11]11 Subclass 11 indent level is 1 Pressure control
 [List of Pre Grant Publications for class 303 subclass 12][List of Patents for class 303 subclass 12]12 Subclass 12 indent level is 1 Vacuum
[List of Pre Grant Publications for class 303 subclass 13][List of Patents for class 303 subclass 13]13 MULTIPLE CONTROL
 [List of Pre Grant Publications for class 303 subclass 14][List of Patents for class 303 subclass 14]14 Subclass 14 indent level is 1 Double heading
[List of Pre Grant Publications for class 303 subclass 15][List of Patents for class 303 subclass 15]15 Subclass 15 indent level is 1 Fluid and electric
[List of Pre Grant Publications for class 303 subclass 16][List of Patents for class 303 subclass 16]16 Subclass 16 indent level is 2 Automatic electric
[List of Pre Grant Publications for class 303 subclass 18][List of Patents for class 303 subclass 18]18 EXTERIOR CONTROL
 [List of Pre Grant Publications for class 303 subclass 19][List of Patents for class 303 subclass 19]19 Subclass 19 indent level is 1 Deadman type
[List of Pre Grant Publications for class 303 subclass 121][List of Patents for class 303 subclass 121]121 SPEED-CONTROLLED
[List of Pre Grant Publications for class 303 subclass 122][List of Patents for class 303 subclass 122]122 Subclass 122 indent level is 1 With failure responsive means
 [List of Pre Grant Publications for class 303 subclass 122.01][List of Patents for class 303 subclass 122.01]122.01 Subclass 122.01 indent level is 2 Traction failure
 [List of Pre Grant Publications for class 303 subclass 122.02][List of Patents for class 303 subclass 122.02]122.02 Subclass 122.02 indent level is 2 Antilock failure with warning
 [List of Pre Grant Publications for class 303 subclass 122.03][List of Patents for class 303 subclass 122.03]122.03 Subclass 122.03 indent level is 2 Failure related to brake condition (e.g., wear, sensor or switch operation) with indicator
[List of Pre Grant Publications for class 303 subclass 122.04][List of Patents for class 303 subclass 122.04]122.04 Subclass 122.04 indent level is 2 Electric system failure (no warning)
 [List of Pre Grant Publications for class 303 subclass 122.06][List of Patents for class 303 subclass 122.06]122.06 Subclass 122.06 indent level is 2 ABS failure detected via time period of sensed wheel lock or wheel speed signal
 [List of Pre Grant Publications for class 303 subclass 122.07][List of Patents for class 303 subclass 122.07]122.07 Subclass 122.07 indent level is 2 Time signal error (no warning)
 [List of Pre Grant Publications for class 303 subclass 122.08][List of Patents for class 303 subclass 122.08]122.08 Subclass 122.08 indent level is 2 Active circuit testing
[List of Pre Grant Publications for class 303 subclass 122.09][List of Patents for class 303 subclass 122.09]122.09 Subclass 122.09 indent level is 2 Pressure failure
[List of Pre Grant Publications for class 303 subclass 123][List of Patents for class 303 subclass 123]123 Subclass 123 indent level is 1 For a tractor-trailer type vehicle
 [List of Pre Grant Publications for class 303 subclass 124][List of Patents for class 303 subclass 124]124 Subclass 124 indent level is 2 Electric brake
[List of Pre Grant Publications for class 303 subclass 125][List of Patents for class 303 subclass 125]125 Subclass 125 indent level is 1 Automatic braking including speed governor or hydraulic retarder
 [List of Pre Grant Publications for class 303 subclass 126][List of Patents for class 303 subclass 126]126 Subclass 126 indent level is 2 Aircraft
[List of Pre Grant Publications for class 303 subclass 127][List of Patents for class 303 subclass 127]127 Subclass 127 indent level is 1 Pneumatic
[List of Pre Grant Publications for class 303 subclass 128][List of Patents for class 303 subclass 128]128 Subclass 128 indent level is 2 For a railway vehicle (e.g., train)
 [List of Pre Grant Publications for class 303 subclass 137][List of Patents for class 303 subclass 137]137 Subclass 137 indent level is 1 Motorcycle
 [List of Pre Grant Publications for class 303 subclass 138][List of Patents for class 303 subclass 138]138 Subclass 138 indent level is 1 Speed, deceleration, or ABS indication
[List of Pre Grant Publications for class 303 subclass 139][List of Patents for class 303 subclass 139]139 Subclass 139 indent level is 1 And traction control
 [List of Pre Grant Publications for class 303 subclass 140][List of Patents for class 303 subclass 140]140 Subclass 140 indent level is 2 With yaw control
 [List of Pre Grant Publications for class 303 subclass 141][List of Patents for class 303 subclass 141]141 Subclass 141 indent level is 2 With engine torque power take-off (PTO) control
 [List of Pre Grant Publications for class 303 subclass 142][List of Patents for class 303 subclass 142]142 Subclass 142 indent level is 2 Motor control
 [List of Pre Grant Publications for class 303 subclass 143][List of Patents for class 303 subclass 143]143 Subclass 143 indent level is 2 With four wheel drive or all wheel drive
 [List of Pre Grant Publications for class 303 subclass 144][List of Patents for class 303 subclass 144]144 Subclass 144 indent level is 2 Intersecting traction and skid occurrence
 [List of Pre Grant Publications for class 303 subclass 145][List of Patents for class 303 subclass 145]145 Subclass 145 indent level is 2 Odd condition (e.g., fuel supply cut-off, modulating valve)
[List of Pre Grant Publications for class 303 subclass 146][List of Patents for class 303 subclass 146]146 Subclass 146 indent level is 1 With yaw control
 [List of Pre Grant Publications for class 303 subclass 147][List of Patents for class 303 subclass 147]147 Subclass 147 indent level is 2 From speed sensors
 [List of Pre Grant Publications for class 303 subclass 148][List of Patents for class 303 subclass 148]148 Subclass 148 indent level is 2 From split coefficient of friction (mu)
 [List of Pre Grant Publications for class 303 subclass 149][List of Patents for class 303 subclass 149]149 Subclass 149 indent level is 1 Split coefficient of friction (mu)
 [List of Pre Grant Publications for class 303 subclass 150][List of Patents for class 303 subclass 150]150 Subclass 150 indent level is 1 Specific mu determination
 [List of Pre Grant Publications for class 303 subclass 151][List of Patents for class 303 subclass 151]151 Subclass 151 indent level is 1 Traction-motor vehicle
 [List of Pre Grant Publications for class 303 subclass 152][List of Patents for class 303 subclass 152]152 Subclass 152 indent level is 1 Regenerative brakes
 [List of Pre Grant Publications for class 303 subclass 153][List of Patents for class 303 subclass 153]153 Subclass 153 indent level is 1 Lead signal control for antiskid
 [List of Pre Grant Publications for class 303 subclass 154][List of Patents for class 303 subclass 154]154 Subclass 154 indent level is 1 Multiple control signal with multiple threshold
 [List of Pre Grant Publications for class 303 subclass 155][List of Patents for class 303 subclass 155]155 Subclass 155 indent level is 1 Braking pressure demand or braking force desire
 [List of Pre Grant Publications for class 303 subclass 156][List of Patents for class 303 subclass 156]156 Subclass 156 indent level is 1 Pulse frequency or time period controlling pressure rebuild
 [List of Pre Grant Publications for class 303 subclass 157][List of Patents for class 303 subclass 157]157 Subclass 157 indent level is 1 Pressure release control
 [List of Pre Grant Publications for class 303 subclass 158][List of Patents for class 303 subclass 158]158 Subclass 158 indent level is 1 Pressure reapply control
 [List of Pre Grant Publications for class 303 subclass 159][List of Patents for class 303 subclass 159]159 Subclass 159 indent level is 1 Wheel pressure delay compared to reference
 [List of Pre Grant Publications for class 303 subclass 160][List of Patents for class 303 subclass 160]160 Subclass 160 indent level is 1 Pressure or specific condition (e.g., deceleration) determines wheel speed instead of direct speed sensor
 [List of Pre Grant Publications for class 303 subclass 161][List of Patents for class 303 subclass 161]161 Subclass 161 indent level is 1 Current or voltage ramp proportional to vehicle speed
 [List of Pre Grant Publications for class 303 subclass 162][List of Patents for class 303 subclass 162]162 Subclass 162 indent level is 1 Current control of linear piston drive motor
 [List of Pre Grant Publications for class 303 subclass 163][List of Patents for class 303 subclass 163]163 Subclass 163 indent level is 1 Slip ratio
 [List of Pre Grant Publications for class 303 subclass 164][List of Patents for class 303 subclass 164]164 Subclass 164 indent level is 1 Slip time versus nonslip time
 [List of Pre Grant Publications for class 303 subclass 165][List of Patents for class 303 subclass 165]165 Subclass 165 indent level is 1 Variable target slip values
 [List of Pre Grant Publications for class 303 subclass 166][List of Patents for class 303 subclass 166]166 Subclass 166 indent level is 1 Wheel speed sensor and braking pressure sensor
 [List of Pre Grant Publications for class 303 subclass 167][List of Patents for class 303 subclass 167]167 Subclass 167 indent level is 1 Brake force or pressure determined from speed sensors
 [List of Pre Grant Publications for class 303 subclass 168][List of Patents for class 303 subclass 168]168 Subclass 168 indent level is 1 Wheel generated pulse signal control (speed sensor)
 [List of Pre Grant Publications for class 303 subclass 169][List of Patents for class 303 subclass 169]169 Subclass 169 indent level is 1 Left or right speed comparison
 [List of Pre Grant Publications for class 303 subclass 170][List of Patents for class 303 subclass 170]170 Subclass 170 indent level is 1 Select high wheel speed versus select low
[List of Pre Grant Publications for class 303 subclass 171][List of Patents for class 303 subclass 171]171 Subclass 171 indent level is 1 Wheel speed versus pseudo vehicle speed (e.g., from deceleration)
 [List of Pre Grant Publications for class 303 subclass 172][List of Patents for class 303 subclass 172]172 Subclass 172 indent level is 2 By direct feedback or instant wheel control
 [List of Pre Grant Publications for class 303 subclass 173][List of Patents for class 303 subclass 173]173 Subclass 173 indent level is 2 By comparison of plural wheel speeds
 [List of Pre Grant Publications for class 303 subclass 174][List of Patents for class 303 subclass 174]174 Subclass 174 indent level is 1 Previously stored wheel speed information
 [List of Pre Grant Publications for class 303 subclass 175][List of Patents for class 303 subclass 175]175 Subclass 175 indent level is 1 Incipient or imminent skid measured
 [List of Pre Grant Publications for class 303 subclass 176][List of Patents for class 303 subclass 176]176 Subclass 176 indent level is 1 Antilock control disabled or altered for acceleration or speed ranges
[List of Pre Grant Publications for class 303 subclass 177][List of Patents for class 303 subclass 177]177 Subclass 177 indent level is 1 Sensing jerk, acceleration, or deceleration
 [List of Pre Grant Publications for class 303 subclass 178][List of Patents for class 303 subclass 178]178 Subclass 178 indent level is 2 Wheel deceleration to find velocity error
 [List of Pre Grant Publications for class 303 subclass 179][List of Patents for class 303 subclass 179]179 Subclass 179 indent level is 2 Rotary and linear inertia
 [List of Pre Grant Publications for class 303 subclass 180][List of Patents for class 303 subclass 180]180 Subclass 180 indent level is 2 Rotary inertia
 [List of Pre Grant Publications for class 303 subclass 181][List of Patents for class 303 subclass 181]181 Subclass 181 indent level is 2 Linear inertia or accelerometer (includes pendulum type)
 [List of Pre Grant Publications for class 303 subclass 182][List of Patents for class 303 subclass 182]182 Subclass 182 indent level is 2 Accelerometer versus wheel rotation sensor
 [List of Pre Grant Publications for class 303 subclass 183][List of Patents for class 303 subclass 183]183 Subclass 183 indent level is 2 Specific acceleration or deceleration determined electronically
 [List of Pre Grant Publications for class 303 subclass 184][List of Patents for class 303 subclass 184]184 Subclass 184 indent level is 2 Acceleration-deceleration versus timing
 [List of Pre Grant Publications for class 303 subclass 185][List of Patents for class 303 subclass 185]185 Subclass 185 indent level is 2 Sensing deceleration then acceleration
 [List of Pre Grant Publications for class 303 subclass 186][List of Patents for class 303 subclass 186]186 Subclass 186 indent level is 1 Front-rear axle apportioning or speed difference
 [List of Pre Grant Publications for class 303 subclass 187][List of Patents for class 303 subclass 187]187 Subclass 187 indent level is 1 Diagonal wheels apportioning arrangement
 [List of Pre Grant Publications for class 303 subclass 188][List of Patents for class 303 subclass 188]188 Subclass 188 indent level is 1 All wheel apportioning arrangement (e.g., cross coupling)
 [List of Pre Grant Publications for class 303 subclass 189][List of Patents for class 303 subclass 189]189 Subclass 189 indent level is 1 Independent control for each wheel
 [List of Pre Grant Publications for class 303 subclass 190][List of Patents for class 303 subclass 190]190 Subclass 190 indent level is 1 Four-wheel drive or all wheel drive
[List of Pre Grant Publications for class 303 subclass 191][List of Patents for class 303 subclass 191]191 Subclass 191 indent level is 1 Odd condition or device detection (e.g., fluid or brake temperature, hill holder, anti-squeal controller, acoustic emission)
 [List of Pre Grant Publications for class 303 subclass 192][List of Patents for class 303 subclass 192]192 Subclass 192 indent level is 2 Vehicle inclination
 [List of Pre Grant Publications for class 303 subclass 193][List of Patents for class 303 subclass 193]193 Subclass 193 indent level is 2 With sonar or radar type sensor
 [List of Pre Grant Publications for class 303 subclass 194][List of Patents for class 303 subclass 194]194 Subclass 194 indent level is 2 Hop or bounce (from vibration or oscillation) signal
[List of Pre Grant Publications for class 303 subclass 195][List of Patents for class 303 subclass 195]195 Subclass 195 indent level is 2 Spurious signal
 [List of Pre Grant Publications for class 303 subclass 197][List of Patents for class 303 subclass 197]197 Subclass 197 indent level is 2 With feeler wheel
 [List of Pre Grant Publications for class 303 subclass 198][List of Patents for class 303 subclass 198]198 Subclass 198 indent level is 2 Speed and vehicle load condition (e.g., cargo)
 [List of Pre Grant Publications for class 303 subclass 199][List of Patents for class 303 subclass 199]199 Subclass 199 indent level is 1 Electric control circuit detail
 [List of Pre Grant Publications for class 303 subclass 112][List of Patents for class 303 subclass 112]112 Subclass 112 indent level is 1 Torque sensing
[List of Pre Grant Publications for class 303 subclass 113.1][List of Patents for class 303 subclass 113.1]113.1 Subclass 113.1 indent level is 1 Having a valve system responsive to a wheel lock signal
[List of Pre Grant Publications for class 303 subclass 113.2][List of Patents for class 303 subclass 113.2]113.2 Subclass 113.2 indent level is 2 With traction control
 [List of Pre Grant Publications for class 303 subclass 113.4][List of Patents for class 303 subclass 113.4]113.4 Subclass 113.4 indent level is 2 Including a stroke sensor
 [List of Pre Grant Publications for class 303 subclass 113.5][List of Patents for class 303 subclass 113.5]113.5 Subclass 113.5 indent level is 2 With system apportioning control
[List of Pre Grant Publications for class 303 subclass 114.1][List of Patents for class 303 subclass 114.1]114.1 Subclass 114.1 indent level is 2 Including hydraulic power booster
 [List of Pre Grant Publications for class 303 subclass 114.3][List of Patents for class 303 subclass 114.3]114.3 Subclass 114.3 indent level is 2 Including pneumatic power booster
[List of Pre Grant Publications for class 303 subclass 115.1][List of Patents for class 303 subclass 115.1]115.1 Subclass 115.1 indent level is 2 System controlled by expansible chamber type modulator
[List of Pre Grant Publications for class 303 subclass 116.1][List of Patents for class 303 subclass 116.1]116.1 Subclass 116.1 indent level is 2 Including pump with system solenoid valve
 [List of Pre Grant Publications for class 303 subclass 116.3][List of Patents for class 303 subclass 116.3]116.3 Subclass 116.3 indent level is 2 Vehicle wheel operated pump
 [List of Pre Grant Publications for class 303 subclass 116.4][List of Patents for class 303 subclass 116.4]116.4 Subclass 116.4 indent level is 2 System pump structure detail
 [List of Pre Grant Publications for class 303 subclass 117.1][List of Patents for class 303 subclass 117.1]117.1 Subclass 117.1 indent level is 2 Spool valve
 [List of Pre Grant Publications for class 303 subclass 118.1][List of Patents for class 303 subclass 118.1]118.1 Subclass 118.1 indent level is 2 Pneumatic (relay or motorman) type
[List of Pre Grant Publications for class 303 subclass 119.1][List of Patents for class 303 subclass 119.1]119.1 Subclass 119.1 indent level is 2 System controlled by solenoid valve
 [List of Pre Grant Publications for class 303 subclass 20][List of Patents for class 303 subclass 20]20 ELECTRIC CONTROL
[List of Pre Grant Publications for class 303 subclass 22.1][List of Patents for class 303 subclass 22.1]22.1 LOAD CONTROL
[List of Pre Grant Publications for class 303 subclass 22.2][List of Patents for class 303 subclass 22.2]22.2 Subclass 22.2 indent level is 1 Empty and load type
 [List of Pre Grant Publications for class 303 subclass 22.3][List of Patents for class 303 subclass 22.3]22.3 Subclass 22.3 indent level is 2 Alterable for different classes of service
 [List of Pre Grant Publications for class 303 subclass 22.4][List of Patents for class 303 subclass 22.4]22.4 Subclass 22.4 indent level is 1 Failure responsive
 [List of Pre Grant Publications for class 303 subclass 22.5][List of Patents for class 303 subclass 22.5]22.5 Subclass 22.5 indent level is 1 Responsive to fluid pressure spring
[List of Pre Grant Publications for class 303 subclass 22.6][List of Patents for class 303 subclass 22.6]22.6 Subclass 22.6 indent level is 1 Railway vehicle
 [List of Pre Grant Publications for class 303 subclass 22.7][List of Patents for class 303 subclass 22.7]22.7 Subclass 22.7 indent level is 2 Detail
 [List of Pre Grant Publications for class 303 subclass 22.8][List of Patents for class 303 subclass 22.8]22.8 Subclass 22.8 indent level is 1 Detail
 [List of Pre Grant Publications for class 303 subclass 24.1][List of Patents for class 303 subclass 24.1]24.1 INERTIA CONTROL
[List of Pre Grant Publications for class 303 subclass 25][List of Patents for class 303 subclass 25]25 AUTOMATIC AND DIRECT
 [List of Pre Grant Publications for class 303 subclass 26][List of Patents for class 303 subclass 26]26 Subclass 26 indent level is 1 Supplementary control pipe
 [List of Pre Grant Publications for class 303 subclass 27][List of Patents for class 303 subclass 27]27 Subclass 27 indent level is 1 Direct on control-pipe reduction
[List of Pre Grant Publications for class 303 subclass 28][List of Patents for class 303 subclass 28]28 AUTOMATIC
 [List of Pre Grant Publications for class 303 subclass 29][List of Patents for class 303 subclass 29]29 Subclass 29 indent level is 1 Supplementary control pipe
 [List of Pre Grant Publications for class 303 subclass 30][List of Patents for class 303 subclass 30]30 Subclass 30 indent level is 1 Supplementary reservoir pipe
 [List of Pre Grant Publications for class 303 subclass 31][List of Patents for class 303 subclass 31]31 Subclass 31 indent level is 1 Vacuum
 [List of Pre Grant Publications for class 303 subclass 32][List of Patents for class 303 subclass 32]32 Subclass 32 indent level is 1 Equilibrium
[List of Pre Grant Publications for class 303 subclass 33][List of Patents for class 303 subclass 33]33 Subclass 33 indent level is 1 Equalizing valves
 [List of Pre Grant Publications for class 303 subclass 34][List of Patents for class 303 subclass 34]34 Subclass 34 indent level is 2 Rotary type
[List of Pre Grant Publications for class 303 subclass 35][List of Patents for class 303 subclass 35]35 Subclass 35 indent level is 1 Synchronizing
 [List of Pre Grant Publications for class 303 subclass 36][List of Patents for class 303 subclass 36]36 Subclass 36 indent level is 2 Release
[List of Pre Grant Publications for class 303 subclass 37][List of Patents for class 303 subclass 37]37 Subclass 37 indent level is 2 Quick action
 [List of Pre Grant Publications for class 303 subclass 40][List of Patents for class 303 subclass 40]40 Subclass 40 indent level is 1 Application valve
[List of Pre Grant Publications for class 303 subclass 41][List of Patents for class 303 subclass 41]41 Subclass 41 indent level is 1 Preliminary valve movement
 [List of Pre Grant Publications for class 303 subclass 42][List of Patents for class 303 subclass 42]42 Subclass 42 indent level is 2 Emergency preventers
 [List of Pre Grant Publications for class 303 subclass 43][List of Patents for class 303 subclass 43]43 Subclass 43 indent level is 1 Slow-reduction emergency
 [List of Pre Grant Publications for class 303 subclass 44][List of Patents for class 303 subclass 44]44 Subclass 44 indent level is 1 Secondary service operation
 [List of Pre Grant Publications for class 303 subclass 45][List of Patents for class 303 subclass 45]45 Subclass 45 indent level is 1 Positive-movement equalizing valve
 [List of Pre Grant Publications for class 303 subclass 46][List of Patents for class 303 subclass 46]46 Subclass 46 indent level is 1 Augmented feed to motor
 [List of Pre Grant Publications for class 303 subclass 47][List of Patents for class 303 subclass 47]47 Subclass 47 indent level is 1 Train rear end first
[List of Pre Grant Publications for class 303 subclass 48][List of Patents for class 303 subclass 48]48 DIRECT
 [List of Pre Grant Publications for class 303 subclass 49][List of Patents for class 303 subclass 49]49 Subclass 49 indent level is 1 Liquid link
[List of Pre Grant Publications for class 303 subclass 50][List of Patents for class 303 subclass 50]50 MOTORMAN'S VALVES
 [List of Pre Grant Publications for class 303 subclass 51][List of Patents for class 303 subclass 51]51 Subclass 51 indent level is 1 Conductor type
[List of Pre Grant Publications for class 303 subclass 52][List of Patents for class 303 subclass 52]52 Subclass 52 indent level is 1 Multiple motors
 [List of Pre Grant Publications for class 303 subclass 53][List of Patents for class 303 subclass 53]53 Subclass 53 indent level is 2 Engine and train
[List of Pre Grant Publications for class 303 subclass 54][List of Patents for class 303 subclass 54]54 Subclass 54 indent level is 1 Equalizing
 [List of Pre Grant Publications for class 303 subclass 55][List of Patents for class 303 subclass 55]55 Subclass 55 indent level is 2 Preliminary discharge
 [List of Pre Grant Publications for class 303 subclass 56][List of Patents for class 303 subclass 56]56 Subclass 56 indent level is 1 Details
     CHARGING
 [List of Pre Grant Publications for class 303 subclass 57][List of Patents for class 303 subclass 57]57 Subclass 57 indent level is 1 Plurality of pressures
 [List of Pre Grant Publications for class 303 subclass 58][List of Patents for class 303 subclass 58]58 Subclass 58 indent level is 1 Reuse
[List of Pre Grant Publications for class 303 subclass 59][List of Patents for class 303 subclass 59]59 Subclass 59 indent level is 1 Outlet-pressure control
 [List of Pre Grant Publications for class 303 subclass 60][List of Patents for class 303 subclass 60]60 Subclass 60 indent level is 2 Maintaining
 [List of Pre Grant Publications for class 303 subclass 61][List of Patents for class 303 subclass 61]61 Subclass 61 indent level is 1 Intermittent
     Subclass  indent level is 1 Motor
 [List of Pre Grant Publications for class 303 subclass 62][List of Patents for class 303 subclass 62]62 Subclass 62 indent level is 2 Motor-movement control
 [List of Pre Grant Publications for class 303 subclass 63][List of Patents for class 303 subclass 63]63 Subclass 63 indent level is 2 Failure-system pressure
[List of Pre Grant Publications for class 303 subclass 64][List of Patents for class 303 subclass 64]64 Subclass 64 indent level is 1 Auxiliary reservoir
 [List of Pre Grant Publications for class 303 subclass 65][List of Patents for class 303 subclass 65]65 Subclass 65 indent level is 2 Motor remaining charged
[List of Pre Grant Publications for class 303 subclass 66][List of Patents for class 303 subclass 66]66 Subclass 66 indent level is 1 Control pipe
 [List of Pre Grant Publications for class 303 subclass 67][List of Patents for class 303 subclass 67]67 Subclass 67 indent level is 2 Preventers
     RELEASING
[List of Pre Grant Publications for class 303 subclass 68][List of Patents for class 303 subclass 68]68 Subclass 68 indent level is 1 Motor
 [List of Pre Grant Publications for class 303 subclass 69][List of Patents for class 303 subclass 69]69 Subclass 69 indent level is 2 Quick
 [List of Pre Grant Publications for class 303 subclass 70][List of Patents for class 303 subclass 70]70 Subclass 70 indent level is 2 Venting auxiliary reservoir
 [List of Pre Grant Publications for class 303 subclass 71][List of Patents for class 303 subclass 71]71 Subclass 71 indent level is 2 Fluid-pressure retracting
[List of Pre Grant Publications for class 303 subclass 72][List of Patents for class 303 subclass 72]72 Subclass 72 indent level is 2 Delayed
[List of Pre Grant Publications for class 303 subclass 75][List of Patents for class 303 subclass 75]75 Subclass 75 indent level is 2 Preventers
 [List of Pre Grant Publications for class 303 subclass 80][List of Patents for class 303 subclass 80]80 Subclass 80 indent level is 1 Auxiliary reservoir
[List of Pre Grant Publications for class 303 subclass 81][List of Patents for class 303 subclass 81]81 Subclass 81 indent level is 1 Control pipe
 [List of Pre Grant Publications for class 303 subclass 82][List of Patents for class 303 subclass 82]82 Subclass 82 indent level is 2 By action of control-pipe pressure
 [List of Pre Grant Publications for class 303 subclass 83][List of Patents for class 303 subclass 83]83 Subclass 83 indent level is 2 To chamber
[List of Pre Grant Publications for class 303 subclass 84.1][List of Patents for class 303 subclass 84.1]84.1 FLOW RETARDER
 [List of Pre Grant Publications for class 303 subclass 84.2][List of Patents for class 303 subclass 84.2]84.2 Subclass 84.2 indent level is 1 Isolation valve
 [List of Pre Grant Publications for class 303 subclass 85][List of Patents for class 303 subclass 85]85 SUPPLEMENTARY RESERVOIR
 [List of Pre Grant Publications for class 303 subclass 86][List of Patents for class 303 subclass 86]86 MISCELLANEOUS OPERATIONS ON CONTROL PIPE
 [List of Pre Grant Publications for class 303 subclass 87][List of Patents for class 303 subclass 87]87 PULSATION NEUTRALIZERS
 [List of Pre Grant Publications for class 303 subclass 89][List of Patents for class 303 subclass 89]89 LOCKS
 [List of Pre Grant Publications for class 303 subclass 90][List of Patents for class 303 subclass 90]90 PIPELESS VALVES
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 303 subclass 900][List of Patents for class 303 subclass 900]900 ABS THROTTLE CONTROL
 [List of Pre Grant Publications for class 303 subclass 901][List of Patents for class 303 subclass 901]901 ABS CHECK VALVE DETAIL
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
 
DIGESTS
 
 [List of Pre Grant Publications for class 303 subclass DIG1][List of Patents for class 303 subclass DIG1] DIG1 PRESSURE COMPARISON
[List of Pre Grant Publications for class 303 subclass DIG2][List of Patents for class 303 subclass DIG2] DIG2 BRAKE CONTROL BY PRESSURE COMPARISON
[List of Pre Grant Publications for class 303 subclass DIG3][List of Patents for class 303 subclass DIG3] DIG3 Subclass DIG3 indent level is 1 Electrical pressure sensor
 [List of Pre Grant Publications for class 303 subclass DIG4][List of Patents for class 303 subclass DIG4] DIG4 Subclass DIG4 indent level is 2 Pressure signal used in electrical speed controlled braking circuit
 [List of Pre Grant Publications for class 303 subclass DIG5][List of Patents for class 303 subclass DIG5] DIG5 ACCELERATION PEAK DETECTION
 [List of Pre Grant Publications for class 303 subclass DIG6][List of Patents for class 303 subclass DIG6] DIG6 AXLE DIFFERENTIAL CONTROL
 [List of Pre Grant Publications for class 303 subclass DIG7][List of Patents for class 303 subclass DIG7] DIG7 SMALL TIRE DIGEST
 [List of Pre Grant Publications for class 303 subclass DIG8][List of Patents for class 303 subclass DIG8] DIG8 ANTICHATTER
 [List of Pre Grant Publications for class 303 subclass DIG9][List of Patents for class 303 subclass DIG9] DIG9 PLURAL PROCESSORS
 [List of Pre Grant Publications for class 303 subclass DIG10][List of Patents for class 303 subclass DIG10] DIG10 VALVE BLOCK INTEGRATING PUMP, VALVES, SOLENOID, ACCUMULATOR, ETC.
 [List of Pre Grant Publications for class 303 subclass DIG11][List of Patents for class 303 subclass DIG11] DIG11 ACCUMULATOR
 [List of Pre Grant Publications for class 303 subclass DIG12][List of Patents for class 303 subclass DIG12] DIG12 AIR OVER HYDRAULIC BRAKE SYSTEM

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