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Class Information
Number: 404
Name: Road structure, process, or apparatus >
Description: This class provides for (1) highway, pathway or walkway structure, per se, including the form or arrangement of such structure for vehicular or foot traffic; (2) processes for making, installing, repairing or maintaining such structure; and (3) apparatus for installing, making, repairing or maintaining such structure where such structure, apparatus or process is not otherwise classifiable as either (a) specifically provided for in other loci or (b) of such general utility as to be provided for elsewhere on the basis of such general utility. (See Subclass References to the Current Class, below, for known collections of such nature and the particular lines of demarcation.)










Class Number Class Name No. of Patents
404/83

Apparatus

82
404/84.05

Automatic control

143
404/84.1

Of material leveling means

122
404/84.2

Adjusted to a predetermined path

39
404/84.5

Adjusted to an acoustical or optical signal

71
404/84.8

Specific to a sloped or curved application

23
404/99

Block laying

25
404/101

Material distribution means

211
404/102

Including dynamic means to densify material

61
404/103

Leveling or smoothing roller

58
404/108

Including material supply

180
404/109

Boom and bucket type

18
404/111

Liquid supply

100
404/110

Portable spreader box

107
404/107

Joint or crack filling

63
404/104

Shoulder paving or surface widening

78
404/105

With material supply to self-contained side forms, e.g., slip-forms

85
404/106

With material supply to unit-supporting rail type side forms

10
404/113

Means to agitate material

49
404/117

Compacting roller with vibrating means

165
404/115

Material immersed agitating means

21
404/116

Individual element, vertically oriented

12
404/114

Mounted on screed

121
404/87

Means to install or form joint

40
404/88

And means to hold or position dowel

34
404/89

Means to form groove in plastic or uncured roadway

46
404/100

Reinforcement material placing, laying or positioning

55
404/122

Rotating drum, roller or tire

120
404/128

Attachment or combined

69
404/131

Manually propelled, e.g., lawn roller

27
404/125

Plural roll axes angularly shiftable

12
404/126

Plural roll axes relatively shiftable

23
404/132

Plural rolls with common axes

28
404/124

Roller periphery characteristics

88
404/130

Shiftable or variable ballast

20
404/127

Specific to slope, trench or shoulder application

37
404/123

Three tandem rollers

16
404/129

With means to lubricate, scrape or clean roller surface

42
404/118

Screed or drag

365
404/120

Reciprocating

41
404/119

Supported on rail type side forms

88
404/121

Sheep foot roller

49
404/133.05

Tamper

122
404/133.2

Attached to a disparate device

39
404/133.1

Manually guided

89
404/112

Tool rotating in horizontal plane

147
404/90

With in situ means for both comminuting and treating, e.g., grading, oiling, stabilizing

218
404/91

Including removal and redepositing means

77
404/85

With means for alternative ground support by tool or transport means

35
404/86

Tool attachment type

19
404/95

With means for heating a road base, surface, or material

130
404/92

With means for in situ material preparation, e.g., mixing

91
404/96

With means for profile shaping, e.g., crown

97
404/98

Curb or gutter

82
404/97

Manually propelled

83
404/93

With surface marking (or grooving)

145
404/94

Applied to existing hard surface

232
404/2

Drain or gutter

205
404/4

Street or curb inlet for surface drainage

308
404/5

Separately attached curb box

35
404/3

With conduit support means

31
404/71

Miscellaneous road structure (e.g., heated pavement)

119
404/17

Pavement

148
404/19

Anti-slip surface

70
404/20

Abrasive impregnated

32
404/21

Including metal

18
404/18

Combined sheet and preformed module

24
404/27

Including bed

53
404/28

Having preformed element layer

44
404/29

Blocks

22
404/30

Having irregular aggregate module

4
404/31

Plural layers

123
404/47

Including joint means

123
404/67

Compound or composite

46
404/64

Preformed non-metallic only

77
404/66

Encased, laminated or composite

32
404/65

Externally profiled

58
404/69

Sealing cap or filler support

89
404/68

Strip or filler plus supporting bracket

104
404/52

With articulated dowel means

20
404/49

With internal cavity for deformable filler

33
404/56

With mid-slab bridge means

39
404/61

Cantilevered dowel or only filler support

13
404/59

End cushioned or lubricated dowel

14
404/60

Sleeved or telescoped at joint

40
404/57

Sliding plate pair

19
404/58

Horizontal slide plane

20
404/62

Supported dowel end

33
404/63

And supported dowel end

9
404/50

With offset or keyed slab ends

18
404/51

Plus bridge or dowel means

23
404/48

With transitory core, cap, screed, or installation means (e.g., forms)

44
404/53

With underlying bridge for adjacent slab ends

9
404/54

And overlying bridge means

9
404/55

Janus-faced angle member

6
404/22

Including light admitting means

15
404/24

Concrete frame

7
404/23

With removable lens

3
404/34

Modules or blocks (preformed)

167
404/44

Composite or compound

57
404/37

Including spacer means

41
404/38

Integral

35
404/39

Bevel or incline edge

32
404/41

Interfitting

238
404/42

Patterned

88
404/35

Portable mat type

199
404/36

Foraminous traffic surface

113
404/45

Reinforced

30
404/43

Supported by footing or beam

24
404/40

With separate interlocking member

89
404/46

Wood

24
404/70

Reinforced structure

100
404/32

Rubber or rubber-like

96
404/33

Integral key to base

16
404/25

Vault cover-closure

412
404/26

Elevation or level adjustment

192
404/72

Process

290
404/73

Handling or treating preformed modular unit

107
404/79

Heating

105
404/80

Including separate handling of different sized aggregate

12
404/75

In situ treatment of earth or roadway

369
404/76

Dust fixation or soil stabilization

81
404/77

Heating

90
404/78

Raising sunken pavement

21
404/74

Providing expansion joint

92
404/81

Separate handling of different sized aggregate

23
404/82

Sequential construction of diverse layers

130
404/134

Reinforcement structure per se

30
404/135

With road chair

22
404/136

Road chair per se

30
404/1

Road system (e.g., elevated, interchange)

79
404/9

Traffic director

483
404/12

Attenuated lane marker type

158
404/13

Discrete interfitted element

58
404/14

Impregnated with reflective material

226
404/15

Vibration inducing member (e.g., road stud, speed bump)

114
404/16

Including reflector

163
404/10

Yielding

403
404/11

Distinct biasing means recessed in roadway

101
404/6

Traffic steering device or barrier

1034
404/7

Curb

130
404/8

With rim or edge protector

38
 
 
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