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[Search a list of Patent Appplications for class 152]  Class   152RESILIENT TIRES AND WHEELS
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   [List of Patents for class 152 subclass 1]  1           SPRING WHEELS
   [List of Patents for class 152 subclass 2]  2           Subclass 2 indent level is 1 With lubrication
    [List of Patents for class 152 subclass 3]  3           Subclass 3 indent level is 2 Spring enclosure
    [List of Patents for class 152 subclass 4]  4           Subclass 4 indent level is 2 Cylinder and piston
   [List of Patents for class 152 subclass 5]  5           Subclass 5 indent level is 1 Deformable ground engaging part
    [List of Patents for class 152 subclass 6]  6           Subclass 6 indent level is 2 With plural spring types
    [List of Patents for class 152 subclass 7]  7           Subclass 7 indent level is 2 With rubber spring
   [List of Patents for class 152 subclass 8]  8           Subclass 8 indent level is 2 With pneumatic spring
   [List of Patents for class 152 subclass 9]  9           Subclass 9 indent level is 3 Annular
    [List of Patents for class 152 subclass 10]  10           Subclass 10 indent level is 4 With air tanks
   [List of Patents for class 152 subclass 11]  11           Subclass 11 indent level is 2 With leaf spring
    [List of Patents for class 152 subclass 12]  12           Subclass 12 indent level is 3 End secured
   [List of Patents for class 152 subclass 13]  13           Subclass 13 indent level is 2 With coil spring
   [List of Patents for class 152 subclass 14]  14           Subclass 14 indent level is 3 Radial
    [List of Patents for class 152 subclass 15]  15           Subclass 15 indent level is 4 Cylinder and piston supported
    [List of Patents for class 152 subclass 16]  16           Subclass 16 indent level is 4 Encircled rod supported
   [List of Patents for class 152 subclass 17]  17           Subclass 17 indent level is 1 Spring encircling rigid annulus
    [List of Patents for class 152 subclass 18]  18           Subclass 18 indent level is 2 With nonresilient overload stop
    [List of Patents for class 152 subclass 19]  19           Subclass 19 indent level is 2 Convertible to rigid wheel
    [List of Patents for class 152 subclass 20]  20           Subclass 20 indent level is 2 With flexible annular support
   [List of Patents for class 152 subclass 21]  21           Subclass 21 indent level is 2 Lateral thrust or tension
   [List of Patents for class 152 subclass 22]  22           Subclass 22 indent level is 3 Combined spring and friction
   [List of Patents for class 152 subclass 23]  23           Subclass 23 indent level is 4 Coil springs
    [List of Patents for class 152 subclass 24]  24           Subclass 24 indent level is 5 Double thrust
   [List of Patents for class 152 subclass 25]  25           Subclass 25 indent level is 3 With coil springs
    [List of Patents for class 152 subclass 26]  26           Subclass 26 indent level is 4 Rod encircling
    [List of Patents for class 152 subclass 27]  27           Subclass 27 indent level is 3 With balls
    [List of Patents for class 152 subclass 28]  28           Subclass 28 indent level is 2 Combined spring and friction
   [List of Patents for class 152 subclass 29]  29           Subclass 29 indent level is 2 With plural spring types
    [List of Patents for class 152 subclass 30]  30           Subclass 30 indent level is 3 Rubber and pneumatic
    [List of Patents for class 152 subclass 31]  31           Subclass 31 indent level is 3 Rubber and leaf
   [List of Patents for class 152 subclass 32]  32           Subclass 32 indent level is 3 Rubber and coil
    [List of Patents for class 152 subclass 33]  33           Subclass 33 indent level is 4 Annular rubber
    [List of Patents for class 152 subclass 34]  34           Subclass 34 indent level is 3 Pneumatic and leaf
   [List of Patents for class 152 subclass 35]  35           Subclass 35 indent level is 3 Pneumatic and coil
    [List of Patents for class 152 subclass 36]  36           Subclass 36 indent level is 4 Annular pneumatic
   [List of Patents for class 152 subclass 37]  37           Subclass 37 indent level is 3 Leaf and coil
    [List of Patents for class 152 subclass 38]  38           Subclass 38 indent level is 4 Center secured leaf
    [List of Patents for class 152 subclass 39]  39           Subclass 39 indent level is 4 End secured leaf
   [List of Patents for class 152 subclass 40]  40           Subclass 40 indent level is 2 Rubber spring
    [List of Patents for class 152 subclass 41]  41           Subclass 41 indent level is 3 In shear
   [List of Patents for class 152 subclass 42]  42           Subclass 42 indent level is 3 Cylindrical
    [List of Patents for class 152 subclass 43]  43           Subclass 43 indent level is 4 Transverse
   [List of Patents for class 152 subclass 44]  44           Subclass 44 indent level is 3 Blocks or balls
   [List of Patents for class 152 subclass 45]  45           Subclass 45 indent level is 4 With drive
    [List of Patents for class 152 subclass 46]  46           Subclass 46 indent level is 5 With separate annulus guide
   [List of Patents for class 152 subclass 47]  47           Subclass 47 indent level is 3 Annular
    [List of Patents for class 152 subclass 48]  48           Subclass 48 indent level is 4 Rigid annulus enclosing
    [List of Patents for class 152 subclass 49]  49           Subclass 49 indent level is 4 Plural
   [List of Patents for class 152 subclass 50]  50           Subclass 50 indent level is 4 With separate annulus guide
    [List of Patents for class 152 subclass 51]  51           Subclass 51 indent level is 5 Combined drive
    [List of Patents for class 152 subclass 52]  52           Subclass 52 indent level is 4 With drive
   [List of Patents for class 152 subclass 53]  53           Subclass 53 indent level is 2 Pneumatic spring
    [List of Patents for class 152 subclass 54]  54           Subclass 54 indent level is 3 Link connected
    [List of Patents for class 152 subclass 55]  55           Subclass 55 indent level is 3 Cylinder and piston
   [List of Patents for class 152 subclass 56]  56           Subclass 56 indent level is 3 Annular
    [List of Patents for class 152 subclass 57]  57           Subclass 57 indent level is 4 Rigid annulus enclosing
    [List of Patents for class 152 subclass 58]  58           Subclass 58 indent level is 4 Plural
   [List of Patents for class 152 subclass 59]  59           Subclass 59 indent level is 4 With separate annulus guide
   [List of Patents for class 152 subclass 60]  60           Subclass 60 indent level is 5 Combined drive
    [List of Patents for class 152 subclass 61]  61           Subclass 61 indent level is 6 Spring
    [List of Patents for class 152 subclass 62]  62           Subclass 62 indent level is 6 Links
    [List of Patents for class 152 subclass 63]  63           Subclass 63 indent level is 6 Radial
    [List of Patents for class 152 subclass 64]  64           Subclass 64 indent level is 6 Studs or lugs
    [List of Patents for class 152 subclass 65]  65           Subclass 65 indent level is 6 Through bolts
    [List of Patents for class 152 subclass 66]  66           Subclass 66 indent level is 6 Anti-creep
   [List of Patents for class 152 subclass 67]  67           Subclass 67 indent level is 4 With drive
    [List of Patents for class 152 subclass 68]  68           Subclass 68 indent level is 5 Anti-creep
   [List of Patents for class 152 subclass 69]  69           Subclass 69 indent level is 2 Leaf spring
    [List of Patents for class 152 subclass 70]  70           Subclass 70 indent level is 3 With braces
    [List of Patents for class 152 subclass 71]  71           Subclass 71 indent level is 3 Link connected
    [List of Patents for class 152 subclass 72]  72           Subclass 72 indent level is 3 Variously arranged
    [List of Patents for class 152 subclass 73]  73           Subclass 73 indent level is 3 Cylindrical units
    [List of Patents for class 152 subclass 74]  74           Subclass 74 indent level is 3 Transverse
    [List of Patents for class 152 subclass 75]  75           Subclass 75 indent level is 3 Straight, radial or tangential
   [List of Patents for class 152 subclass 76]  76           Subclass 76 indent level is 3 Center secured
   [List of Patents for class 152 subclass 77]  77           Subclass 77 indent level is 4 With separate annulus guide
    [List of Patents for class 152 subclass 78]  78           Subclass 78 indent level is 5 Combined drive
    [List of Patents for class 152 subclass 79]  79           Subclass 79 indent level is 4 Reversely curved
   [List of Patents for class 152 subclass 80]  80           Subclass 80 indent level is 3 End secured
    [List of Patents for class 152 subclass 81]  81           Subclass 81 indent level is 4 Single end
   [List of Patents for class 152 subclass 82]  82           Subclass 82 indent level is 4 With separate annulus guide
    [List of Patents for class 152 subclass 83]  83           Subclass 83 indent level is 5 Combined drive
    [List of Patents for class 152 subclass 84]  84           Subclass 84 indent level is 4 Oppositely curved pairs
    [List of Patents for class 152 subclass 85]  85           Subclass 85 indent level is 4 Reversely curved springs
    [List of Patents for class 152 subclass 86]  86           Subclass 86 indent level is 4 Arcuate
   [List of Patents for class 152 subclass 87]  87           Subclass 87 indent level is 2 Coil spring
    [List of Patents for class 152 subclass 88]  88           Subclass 88 indent level is 3 Link connected
   [List of Patents for class 152 subclass 89]  89           Subclass 89 indent level is 3 Variously arranged
    [List of Patents for class 152 subclass 90]  90           Subclass 90 indent level is 4 Tangential and radial
    [List of Patents for class 152 subclass 91]  91           Subclass 91 indent level is 3 Diagonal
    [List of Patents for class 152 subclass 92]  92           Subclass 92 indent level is 3 Circumferential
    [List of Patents for class 152 subclass 93]  93           Subclass 93 indent level is 3 Tangential
   [List of Patents for class 152 subclass 94]  94           Subclass 94 indent level is 3 Transverse
    [List of Patents for class 152 subclass 95]  95           Subclass 95 indent level is 4 Center secured
    [List of Patents for class 152 subclass 96]  96           Subclass 96 indent level is 4 Concentric with wheel axis
   [List of Patents for class 152 subclass 97]  97           Subclass 97 indent level is 3 Radial
    [List of Patents for class 152 subclass 98]  98           Subclass 98 indent level is 4 Tandem, interposed bearing
    [List of Patents for class 152 subclass 99]  99           Subclass 99 indent level is 4 Telescoping cylinder supported
   [List of Patents for class 152 subclass 100]  100           Subclass 100 indent level is 4 Cylinder and piston supported
    [List of Patents for class 152 subclass 101]  101           Subclass 101 indent level is 5 With separate drive
    [List of Patents for class 152 subclass 102]  102           Subclass 102 indent level is 5 Double acting
   [List of Patents for class 152 subclass 103]  103           Subclass 103 indent level is 4 Encircled rod supported
   [List of Patents for class 152 subclass 105]  105           Subclass 105 indent level is 4 With separate annulus guide
   [List of Patents for class 152 subclass 106]  106           Subclass 106 indent level is 5 Combined drive
    [List of Patents for class 152 subclass 107]  107           Subclass 107 indent level is 6 Spring
    [List of Patents for class 152 subclass 108]  108