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[Search a list of Patent Appplications for class 188]  Class   188BRAKES
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   [List of Patents for class 188 subclass 1.11R]  1.11R           WITH CONDITION INDICATOR
   [List of Patents for class 188 subclass 1.11W]  1.11W           Subclass 1.11W indent level is 1 Wear
    [List of Patents for class 188 subclass 1.11L]  1.11L           Subclass 1.11L indent level is 2 Electrical
    [List of Patents for class 188 subclass 1.11E]  1.11E           Subclass 1.11E indent level is 1 Electrical
    [List of Patents for class 188 subclass 1.12]  1.12           TO RETARD ROLLING OF CASTER
   [List of Patents for class 188 subclass 2R]  2R           VEHICLE
   [List of Patents for class 188 subclass 3R]  3R           Subclass 3R indent level is 1 Train
    [List of Patents for class 188 subclass 3H]  3H           Subclass 3H indent level is 2 Fluid pressure vehicle
   [List of Patents for class 188 subclass 4R]  4R           Subclass 4R indent level is 1 Wheel and ground
    [List of Patents for class 188 subclass 4B]  4B           Subclass 4B indent level is 2 Rotary brake member
   [List of Patents for class 188 subclass 5]  5           Subclass 5 indent level is 1 Ground-engaging
    [List of Patents for class 188 subclass 6]  6           Subclass 6 indent level is 2 Sprag
    [List of Patents for class 188 subclass 7]  7           Subclass 7 indent level is 2 Anchors
    [List of Patents for class 188 subclass 8]  8           Subclass 8 indent level is 2 Sled
   [List of Patents for class 188 subclass 9]  9           Subclass 9 indent level is 1 Wagon
    [List of Patents for class 188 subclass 10]  10           Subclass 10 indent level is 2 Four-wheel
    [List of Patents for class 188 subclass 11]  11           Subclass 11 indent level is 2 Divided beam
   [List of Patents for class 188 subclass 12]  12           Subclass 12 indent level is 2 Running gear support
    [List of Patents for class 188 subclass 13]  13           Subclass 13 indent level is 3 Divided beam
    [List of Patents for class 188 subclass 14]  14           Subclass 14 indent level is 2 Hayrack type
    [List of Patents for class 188 subclass 15]  15           Subclass 15 indent level is 2 Retreating shoe
    [List of Patents for class 188 subclass 16]  16           Subclass 16 indent level is 1 Independent wheel
   [List of Patents for class 188 subclass 17]  17           Subclass 17 indent level is 1 Hub or disk
   [List of Patents for class 188 subclass 18R]  18R           Subclass 18R indent level is 2 Motor vehicle
    [List of Patents for class 188 subclass 18A]  18A           Subclass 18A indent level is 3 Disc brakes
    [List of Patents for class 188 subclass 19]  19           Subclass 19 indent level is 1 Cart
    [List of Patents for class 188 subclass 20]  20           Subclass 20 indent level is 1 Children's carriages
   [List of Patents for class 188 subclass 21]  21           Subclass 21 indent level is 1 Truck
   [List of Patents for class 188 subclass 22]  22           Subclass 22 indent level is 2 Two-wheel
    [List of Patents for class 188 subclass 23]  23           Subclass 23 indent level is 3 Ground-engaging
   [List of Patents for class 188 subclass 24.11]  24.11           Subclass 24.11 indent level is 1 Velocipede (e.g., bicycle, etc.)
   [List of Patents for class 188 subclass 24.12]  24.12           Subclass 24.12 indent level is 2 Including mechanism for opposed gripping of wheel rim or tire
    [List of Patents for class 188 subclass 25]  25           Subclass 25 indent level is 2 Roller
    [List of Patents for class 188 subclass 26]  26           Subclass 26 indent level is 2 Hub or disk
    [List of Patents for class 188 subclass 27]  27           Subclass 27 indent level is 2 Pivoted wheel
    [List of Patents for class 188 subclass 28]  28           Subclass 28 indent level is 1 Clasp
    [List of Patents for class 188 subclass 29]  29           Subclass 29 indent level is 1 Top shoes
    [List of Patents for class 188 subclass 30]  30           Subclass 30 indent level is 1 One-way
    [List of Patents for class 188 subclass 31]  31           Subclass 31 indent level is 1 Positive lock
    [List of Patents for class 188 subclass 32]  32           Subclass 32 indent level is 1 On ground
   [List of Patents for class 188 subclass 33]  33           Subclass 33 indent level is 1 Railway
    [List of Patents for class 188 subclass 34]  34           Subclass 34 indent level is 2 Train
   [List of Patents for class 188 subclass 35]  35           Subclass 35 indent level is 2 Wheel and rail
   [List of Patents for class 188 subclass 36]  36           Subclass 36 indent level is 3 Chock
    [List of Patents for class 188 subclass 37]  37           Subclass 37 indent level is 4 Roller shoe
   [List of Patents for class 188 subclass 38]  38           Subclass 38 indent level is 2 Track
    [List of Patents for class 188 subclass 38.5]  38.5           Subclass 38.5 indent level is 3 Plural abutments selectively engageable by vehicle-carried means, e.g., car spotter
    [List of Patents for class 188 subclass 39]  39           Subclass 39 indent level is 3 Rotary shoe
    [List of Patents for class 188 subclass 40]  40           Subclass 40 indent level is 3 Slot
   [List of Patents for class 188 subclass 41]  41           Subclass 41 indent level is 2 Rail
    [List of Patents for class 188 subclass 42]  42           Subclass 42 indent level is 3 Carrier type
   [List of Patents for class 188 subclass 43]  43           Subclass 43 indent level is 3 Grippers
    [List of Patents for class 188 subclass 44]  44           Subclass 44 indent level is 4 Automatic
    [List of Patents for class 188 subclass 45]  45           Subclass 45 indent level is 4 Wheel clamps
    [List of Patents for class 188 subclass 46]  46           Subclass 46 indent level is 2 Equalizing series
    [List of Patents for class 188 subclass 47]  47           Subclass 47 indent level is 2 Connected trucks
    [List of Patents for class 188 subclass 48]  48           Subclass 48 indent level is 2 Maximum traction type
   [List of Patents for class 188 subclass 49]  49           Subclass 49 indent level is 2 Four wheel opposing
    [List of Patents for class 188 subclass 50]  50           Subclass 50 indent level is 3 Open center
    [List of Patents for class 188 subclass 51]  51           Subclass 51 indent level is 3 Divided beam
   [List of Patents for class 188 subclass 52]  52           Subclass 52 indent level is 2 Four wheel spreading
   [List of Patents for class 188 subclass 53]  53           Subclass 53 indent level is 3 Divided beam
    [List of Patents for class 188 subclass 54]  54           Subclass 54 indent level is 4 Locomotive type
    [List of Patents for class 188 subclass 55]  55           Subclass 55 indent level is 4 Mine car type
    [List of Patents for class 188 subclass 56]  56           Subclass 56 indent level is 2 Clasp
    [List of Patents for class 188 subclass 57]  57           Subclass 57 indent level is 2 Top shoes
   [List of Patents for class 188 subclass 58]  58           Subclass 58 indent level is 2 Disk on axle
    [List of Patents for class 188 subclass 59]  59           Subclass 59 indent level is 3 Side shoes
    [List of Patents for class 188 subclass 60]  60           Subclass 60 indent level is 2 Positive lock
    [List of Patents for class 188 subclass 61]  61           Subclass 61 indent level is 2 One-way
   [List of Patents for class 188 subclass 62]  62           Subclass 62 indent level is 2 On track
    [List of Patents for class 188 subclass 63]  63           Subclass 63 indent level is 3 Catchers
    [List of Patents for class 188 subclass 2A]  2A           Subclass 2A indent level is 1 Braking torque regulators
    [List of Patents for class 188 subclass 2D]  2D           Subclass 2D indent level is 1 Bowdin wire-operated
    [List of Patents for class 188 subclass 2F]  2F           Subclass 2F indent level is 1 Wheelchair brakes
    [List of Patents for class 188 subclass 64]  64           WHEEL AND STRAND
   [List of Patents for class 188 subclass 65.1]  65.1           STRAND
    [List of Patents for class 188 subclass 65.2]  65.2           Subclass 65.2 indent level is 1 With attaching means
    [List of Patents for class 188 subclass 65.3]  65.3           Subclass 65.3 indent level is 1 Plural brakes
   [List of Patents for class 188 subclass 65.4]  65.4           Subclass 65.4 indent level is 1 Tortuous grip
    [List of Patents for class 188 subclass 65.5]  65.5           Subclass 65.5 indent level is 2 Adjustable
    [List of Patents for class 188 subclass 67]  67           ROD
                WHEEL
    [List of Patents for class 188 subclass 68]  68           Subclass 68 indent level is 1 Frictional and positive
    [List of Patents for class 188 subclass 69]  69           Subclass 69 indent level is 1 Positive lock
   [List of Patents for class 188 subclass 70R]  70R           Subclass 70R indent level is 1 Axially and transversely movable
    [List of Patents for class 188 subclass 70B]  70B           Subclass 70B indent level is 2 Self-energizing
   [List of Patents for class 188 subclass 71.1]  71.1           Subclass 71.1 indent level is 1 Axially movable brake element or housing therefor
    [List of Patents for class 188 subclass 71.2]  71.2           Subclass 71.2 indent level is 2 With clutch between load and brake assemblage
   [List of Patents for class 188 subclass 71.3]  71.3           Subclass 71.3 indent level is 2 Antipodal, relatively separable brake elements
    [List of Patents for class 188 subclass 71.4]  71.4           Subclass 71.4 indent level is 3 Annular elements
    [List of Patents for class 188 subclass 71.5]  71.5           Subclass 71.5 indent level is 2 Plural rotating elements (e.g., "multidisc")
    [List of Patents for class 188 subclass 71.6]  71.6           Subclass 71.6 indent level is 2 With means for cooling brake
   [List of Patents for class 188 subclass 71.7]  71.7           Subclass 71.7 indent level is 2 With means to adjust for wear of brake
   [List of Patents for class 188 subclass 71.8]  71.8           Subclass 71.8 indent level is 3 Self-adjusting means
   [List of Patents for class 188 subclass 72.1]  72.1           Subclass 72.1 indent level is 2 With means for actuating brake element
    [List of Patents for class 188 subclass 72.2]  72.2           Subclass 72.2 indent level is 3 Self-force-increasing means
    [List of Patents for class 188 subclass 72.3]  72.3           Subclass 72.3 indent level is 3 And means for retracting brake element
   [List of Patents for class 188 subclass 72.4]  72.4           Subclass 72.4 indent level is 3 By fluid pressure piston
    [List of Patents for class 188 subclass 72.5]  72.5