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[Search a list of Patent Appplications for class 278]  Class   278LAND VEHICLES: ANIMAL DRAFT APPLIANCES
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    [List of Patents for class 278 subclass 1]  1           MISCELLANEOUS
    [List of Patents for class 278 subclass 2]  2           LOAD STARTERS
    [List of Patents for class 278 subclass 2.1]  2.1           STREET CAR
                DRAFT EQUALIZERS
   [List of Patents for class 278 subclass 3]  3           Subclass 3 indent level is 1 Horse longitudinally aligned
    [List of Patents for class 278 subclass 4]  4           Subclass 4 indent level is 2 Two abreast
   [List of Patents for class 278 subclass 5]  5           Subclass 5 indent level is 1 Horses abreast
   [List of Patents for class 278 subclass 6]  6           Subclass 6 indent level is 2 Five-horse type
    [List of Patents for class 278 subclass 7]  7           Subclass 7 indent level is 3 With pole or poles
   [List of Patents for class 278 subclass 8]  8           Subclass 8 indent level is 2 Four-horse type
   [List of Patents for class 278 subclass 9]  9           Subclass 9 indent level is 3 With pole or poles
   [List of Patents for class 278 subclass 10]  10           Subclass 10 indent level is 4 Offset pole
    [List of Patents for class 278 subclass 11]  11           Subclass 11 indent level is 5 Three-against-one pull
   [List of Patents for class 278 subclass 12]  12           Subclass 12 indent level is 5 Two-against-two pull
    [List of Patents for class 278 subclass 13]  13           Subclass 13 indent level is 6 Lateral evener connection
   [List of Patents for class 278 subclass 14]  14           Subclass 14 indent level is 2 Three-horse type
   [List of Patents for class 278 subclass 15]  15           Subclass 15 indent level is 3 With pole or poles
   [List of Patents for class 278 subclass 16]  16           Subclass 16 indent level is 4 With intermediate evener
    [List of Patents for class 278 subclass 17]  17           Subclass 17 indent level is 5 Offset
   [List of Patents for class 278 subclass 18]  18           Subclass 18 indent level is 1 Two-horse type
   [List of Patents for class 278 subclass 19]  19           Subclass 19 indent level is 2 Leverage adjustment
    [List of Patents for class 278 subclass 20]  20           Subclass 20 indent level is 3 Automatic
   [List of Patents for class 278 subclass 21]  21           HORSE DETACHERS
    [List of Patents for class 278 subclass 22]  22           Subclass 22 indent level is 1 Automatic
    [List of Patents for class 278 subclass 23]  23           Subclass 23 indent level is 1 Combined brake
   [List of Patents for class 278 subclass 24]  24           Subclass 24 indent level is 1 Traces from singletree
    [List of Patents for class 278 subclass 25]  25           Subclass 25 indent level is 2 Traces positively moved
   [List of Patents for class 278 subclass 26]  26           Subclass 26 indent level is 2 Movable trace-eye-engaging element
    [List of Patents for class 278 subclass 27]  27           Subclass 27 indent level is 3 Pivoted
    [List of Patents for class 278 subclass 28]  28           Subclass 28 indent level is 3 Sliding pin or rod
   [List of Patents for class 278 subclass 29]  29           Subclass 29 indent level is 1 Thills or poles from vehicle
    [List of Patents for class 278 subclass 30]  30           Subclass 30 indent level is 2 Retracting axle-clip bolts
    [List of Patents for class 278 subclass 31]  31           Subclass 31 indent level is 1 Doubletree from pole
    [List of Patents for class 278 subclass 32]  32           Subclass 32 indent level is 1 Singletree from thill or evener
   [List of Patents for class 278 subclass 33]  33           POLES AND THILLS
    [List of Patents for class 278 subclass 34]  34           Subclass 34 indent level is 1 Plural
    [List of Patents for class 278 subclass 35]  35           Subclass 35 indent level is 1 Special-purpose attachments
   [List of Patents for class 278 subclass 36]  36           Subclass 36 indent level is 1 Poles
    [List of Patents for class 278 subclass 37]  37           Subclass 37 indent level is 2 Agricultural-implement type
    [List of Patents for class 278 subclass 38]  38           Subclass 38 indent level is 2 The pole body
    [List of Patents for class 278 subclass 39]  39           Subclass 39 indent level is 2 Selective positioned
    [List of Patents for class 278 subclass 40]  40           Subclass 40 indent level is 2 Slip tongue
   [List of Patents for class 278 subclass 41]  41           Subclass 41 indent level is 2 Axle attached
    [List of Patents for class 278 subclass 42]  42           Subclass 42 indent level is 3 Width adjustment
    [List of Patents for class 278 subclass 43]  43           Subclass 43 indent level is 2 Axle hounds attached
   [List of Patents for class 278 subclass 44]  44           Subclass 44 indent level is 1 Thills
    [List of Patents for class 278 subclass 45]  45           Subclass 45 indent level is 2 Two-wheeled vehicles
   [List of Patents for class 278 subclass 46]  46           Subclass 46 indent level is 2 Offset draft
    [List of Patents for class 278 subclass 47]  47           Subclass 47 indent level is 3 Selective direct
    [List of Patents for class 278 subclass 48]  48           Subclass 48 indent level is 2 Sectional
    [List of Patents for class 278 subclass 49]  49           Subclass 49 indent level is 2 Joints and braces
   [List of Patents for class 278 subclass 50]  50           Subclass 50 indent level is 1 Tips
    [List of Patents for class 278 subclass 51]  51           Subclass 51 indent level is 2 Safety neck-yoke retainers
   [List of Patents for class 278 subclass 52]  52           THILL COUPLINGS
    [List of Patents for class 278 subclass 53]  53           Subclass 53 indent level is 1 Resilient
    [List of Patents for class 278 subclass 54]  54           Subclass 54 indent level is 1 Safety attachments
    [List of Patents for class 278 subclass 55]  55           Subclass 55 indent level is 1 Plural
   [List of Patents for class 278 subclass 56]  56           Subclass 56 indent level is 1 Special-position release
    [List of Patents for class 278 subclass 57]  57           Subclass 57 indent level is 2 L-head type
    [List of Patents for class 278 subclass 58]  58           Subclass 58 indent level is 2 T-head type
    [List of Patents for class 278 subclass 59]  59           Subclass 59 indent level is 2 D-head type
   [List of Patents for class 278 subclass 60]  60           Subclass 60 indent level is 1 Removable transverse pin or bolt
   [List of Patents for class 278 subclass 61]  61           Subclass 61 indent level is 2 Antirattling
    [List of Patents for class 278 subclass 62]  62           Subclass 62 indent level is 3 With special pin retainers
   [List of Patents for class 278 subclass 63]  63           Subclass 63 indent level is 3 Resilient
    [List of Patents for class 278 subclass 64]  64           Subclass 64 indent level is 4 Adjustable
    [List of Patents for class 278 subclass 65]  65           Subclass 65 indent level is 2 Special pin retainers
    [List of Patents for class 278 subclass 66]  66           Subclass 66 indent level is 1 Opposed lug engaging or carrying jaws
    [List of Patents for class 278 subclass 67]  67           Subclass 67 indent level is 1 L-head type
   [List of Patents for class 278 subclass 68]  68           Subclass 68 indent level is 1 T-head type
   [List of Patents for class 278 subclass 69]  69           Subclass 69 indent level is 2 Cooperating hooks
   [List of Patents for class 278 subclass 70]  70           Subclass 70 indent level is 3 Retainers
    [List of Patents for class 278 subclass 71]  71           Subclass 71 indent level is 4 Spring
   [List of Patents for class 278 subclass 72]  72           Subclass 72 indent level is 1 D-head type
   [List of Patents for class 278 subclass 73]  73           Subclass 73 indent level is 2 Cooperating hook
   [List of Patents for class 278 subclass 74]  74           Subclass 74 indent level is 3 Retainers
    [List of Patents for class 278 subclass 75]  75           Subclass 75 indent level is 4 Pivoted
    [List of Patents for class 278 subclass 76]  76           Subclass 76 indent level is 4 Spring
   [List of Patents for class 278 subclass 77]  77           Subclass 77 indent level is 2 Plural-part eye
   [List of Patents for class 278 subclass 78]  78           Subclass 78 indent level is 3 Pivoted jaws
    [List of Patents for class 278 subclass 79]  79           Subclass 79 indent level is 4 Grapple type
    [List of Patents for class 278 subclass 80]  80           Subclass 80 indent level is 1 Ball and socket
   [List of Patents for class 278 subclass 81]  81           THILL-SUPPORTS
    [List of Patents for class 278 subclass 82]  82           Subclass 82 indent level is 1 Plural position
    [List of Patents for class 278 subclass 83]  83           Subclass 83 indent level is 1 Spring latches
    [List of Patents for class 278 subclass 84]  84           Subclass 84 indent level is 1 Spring
    [List of Patents for class 278 subclass 85]  85           Subclass 85 indent level is 1 Separate props
   [List of Patents for class 278 subclass 86]  86           POLE SUPPORTS
    [List of Patents for class 278 subclass 87]  87           Subclass 87 indent level is 1 Ground-engaging props
   [List of Patents for class 278 subclass 88]  88           Subclass 88 indent level is 1 Spring
    [List of Patents for class 278 subclass 89]  89           Subclass 89 indent level is 2 Coil
   [List of Patents for class 278 subclass 90]  90           WHIFFLETREES
    [List of Patents for class 278 subclass 91]  91           Subclass 91 indent level is 1 Resilient
   [List of Patents for class 278 subclass 92]  92           Subclass 92 indent level is 1 Metallic
    [List of Patents for class 278 subclass 93]  93           Subclass 93 indent level is 2 Trussed
    [List of Patents for class 278 subclass 94]  94           Subclass 94 indent level is 1 Trussed
   [List of Patents for class 278 subclass 95]  95           Subclass 95 indent level is 1 Connections
   [List of Patents for class 278 subclass 96]  96           Subclass 96 indent level is 2 Link or clevis
    [List of Patents for class 278 subclass 96.1]  96.1           Subclass 96.1 indent level is 3 Resilient
   [List of Patents for class 278 subclass 96.2]  96.2           Subclass 96.2 indent level is 3 Adjustable draft line
    [List of Patents for class 278 subclass 96.3]  96.3           Subclass 96.3 indent level is 4 Horizontally
   [List of Patents for class 278 subclass 97]  97           Subclass 97 indent level is 2 Resilient
    [List of Patents for class 278 subclass 98]  98           Subclass 98 indent level is 3 To pole or thills
   [List of Patents for class 278 subclass 99]  99           Subclass 99 indent level is 2 To pole or thills
   [List of Patents for class 278 subclass 100]  100           Subclass 100 indent level is 3 Pivot bolt
    [List of Patents for class 278 subclass 101]  101           Subclass 101 indent level is 4 Offset pivot
   [List of Patents for class 278 subclass 102]  102           Subclass 102 indent level is 1 Trace and whiffletree connections
    [List of Patents for class 278 subclass 103]  103           Subclass 103 indent level is 2 Resilient
    [List of Patents for class 278 subclass 104]  104           Subclass 104 indent level is 2 C