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Class Information
Number: 278
Name: Land vehicles: animal draft appliances >
Description: This class includes that portion of land vehicles by means of which the pull of draft animals is utilized to move the vehicle over the ground.










Class Number Class Name No. of Patents
 

Draft equalizers

 
278/3

Horse longitudinally aligned

0
278/4

Two abreast

1
278/5

Horses abreast

1
278/6

Five-horse type

0
278/7

With pole or poles

0
278/8

Four-horse type

0
278/9

With pole or poles

1
278/10

Offset pole

0
278/11

Three-against-one pull

0
278/12

Two-against-two pull

0
278/13

Lateral evener connection

0
278/14

Three-horse type

0
278/15

With pole or poles

1
278/16

With intermediate evener

0
278/17

Offset

0
278/18

Two-horse type

0
278/19

Leverage adjustment

0
278/20

Automatic

0
278/126

Holdbacks

1
278/127

Harness attached

0
278/128

Breech strap

2
278/129

Adjustable

0
278/130

Automatic release

0
278/21

Horse detachers

2
278/22

Automatic

0
278/23

Combined brake

0
278/31

Doubletree from pole

0
278/32

Singletree from thill or evener

0
278/29

Thills or poles from vehicle

0
278/30

Retracting axle-clip bolts

0
278/24

Traces from singletree

0
278/26

Movable trace-eye-engaging element

0
278/27

Pivoted

0
278/28

Sliding pin or rod

0
278/25

Traces positively moved

0
278/2

Load starters

0
278/1

Miscellaneous

0
278/119

Neck yokes

0
278/120

End construction

0
278/121

Pole couplings

0
278/125

Leather eye or ring

0
278/122

Modified pole and yoke (center)

1
278/123

Permanently attached

0
278/124

With safety devices

0
278/86

Pole supports

1
278/87

Ground-engaging props

2
278/88

Spring

0
278/89

Coil

0
278/33

Poles and thills

0
278/34

Plural

0
278/36

Poles

2
278/37

Agricultural-implement type

2
278/41

Axle attached

0
278/42

Width adjustment

0
278/43

Axle hounds attached

0
278/39

Selective positioned

3
278/40

Slip tongue

0
278/38

The pole body

0
278/35

Special-purpose attachments

1
278/44

Thills

0
278/49

Joints and braces

1
278/46

Offset draft

0
278/47

Selective direct

0
278/48

Sectional

0
278/45

Two-wheeled vehicles

0
278/50

Tips

0
278/51

Safety neck-yoke retainers

1
278/2.1

Street car

0
278/52

Thill couplings

0
278/80

Ball and socket

0
278/72

D-head type

0
278/73

Cooperating hook

0
278/74

Retainers

0
278/75

Pivoted

0
278/76

Spring

1
278/77

Plural-part eye

0
278/78

Pivoted jaws

0
278/79

Grapple type

0
278/67

L-head type

0
278/66

Opposed lug engaging or carrying jaws

0
278/55

Plural

0
278/60

Removable transverse pin or bolt

0
278/61

Antirattling

0
278/63

Resilient

0
278/64

Adjustable

0
278/62

With special pin retainers

0
278/65

Special pin retainers

0
278/53

Resilient

1
278/54

Safety attachments

1
278/56

Special-position release

0
278/59

D-head type

0
278/57

L-head type

0
278/58

T-head type

1
278/68

T-head type

0
278/69

Cooperating hooks

0
278/70

Retainers

0
278/71

Spring

0
278/81

Thill-supports

0
278/82

Plural position

0
278/85

Separate props

0
278/83

Spring latches

0
278/84

Spring

0
278/118

Trace and thill or pole connections

2
278/90

Whiffletrees

0
278/95

Connections

0
278/96

Link or clevis

0
278/96.2

Adjustable draft line

0
278/96.3

Horizontally

0
278/96.1

Resilient

0
278/97

Resilient

0
278/98

To pole or thills

0
278/99

To pole or thills

0
278/100

Pivot bolt

0
278/101

Offset pivot

0
278/92

Metallic

0
278/93

Trussed

0
278/91

Resilient

0
278/102

Trace and whiffletree connections

0
278/104

Clamp

0
278/111

Hooks

0
278/112

Trace retaining

0
278/113

Movable keeper

0
278/114

Snap-hook type

0
278/115

Special-position release

0
278/116

Opposed lapping hooks

0
278/117

Whiffletree fastenings

0
278/103

Resilient

0
278/105

Trace-eye-engaging head or end

0
278/107

Hook retainers

0
278/106

Loop retainers

0
278/109

Pivoted button or lug retainers

0
278/110

Rotatable-button retainers

0
278/108

Spring-detent retainers

0
278/94

Trussed

0
 
 
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