US Patent Class 404
ROAD STRUCTURE, PROCESS, OR APPARATUS



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  ROAD SYSTEM (E.G., ELEVATED, INTERCHANGE)
2  DF  DRAIN OR GUTTER
3  DF  .~ With conduit support means
4  DF  .~ Street or curb inlet for surface drainage
5  DF  .~.~ Separately attached curb box
6  DF  TRAFFIC STEERING DEVICE OR BARRIER
7  DF  .~ Curb
8  DF  .~.~ With rim or edge protector
9  DF  TRAFFIC DIRECTOR
10  DF  .~ Yielding
11  DF  .~.~ Distinct biasing means recessed in roadway
12  DF  .~ Attenuated lane marker type
13  DF  .~.~ Discrete interfitted element
14  DF  .~.~ Impregnated with reflective material
15  DF  .~ Vibration inducing member (e.g., road stud, speed bump)
16  DF  .~.~ Including reflector
17  DF  PAVEMENT
18  DF  .~ Combined sheet and preformed module
19  DF  .~ Anti-slip surface
20  DF  .~.~ Abrasive impregnated
21  DF  .~.~ Including metal
22  DF  .~ Including light admitting means
23  DF  .~.~ With removable lens
24  DF  .~.~ Concrete frame
25  DF  .~ Vault cover-closure
26  DF  .~.~ Elevation or level adjustment
27  DF  .~ Including bed
28  DF  .~.~ Having preformed element layer
29  DF  .~.~.~ Blocks
30  DF  .~.~.~ Having irregular aggregate module
31  DF  .~.~ Plural layers
32  DF  .~ Rubber or rubber-like
33  DF  .~.~ Integral key to base
34  DF  .~ Modules or blocks (preformed)
35  DF  .~.~ Portable mat type
36  DF  .~.~.~ Foraminous traffic surface
37  DF  .~.~ Including spacer means
38  DF  .~.~.~ Integral
39  DF  .~.~.~.~ Bevel or incline edge
40  DF  .~.~ With separate interlocking member
41  DF  .~.~ Interfitting
42  DF  .~.~ Patterned
43  DF  .~.~ Supported by footing or beam
44  DF  .~.~ Composite or compound
45  DF  .~.~ Reinforced
46  DF  .~.~ Wood
47  DF  .~ Including joint means
48  DF  .~.~ With transitory core, cap, screed, or installation means (e.g., forms)
49  DF  .~.~ With internal cavity for deformable filler
50  DF  .~.~ With offset or keyed slab ends
51  DF  .~.~.~ Plus bridge or dowel means
52  DF  .~.~ With articulated dowel means
53  DF  .~.~ With underlying bridge for adjacent slab ends
54  DF  .~.~.~ And overlying bridge means
55  DF  .~.~.~ Janus-faced angle member
56  DF  .~.~ With mid-slab bridge means
57  DF  .~.~.~ Sliding plate pair
58  DF  .~.~.~.~ Horizontal slide plane
59  DF  .~.~.~ End cushioned or lubricated dowel
60  DF  .~.~.~ Sleeved or telescoped at joint
61  DF  .~.~.~ Cantilevered dowel or only filler support
62  DF  .~.~.~ Supported dowel end
63  DF  .~.~.~.~ And supported dowel end
64  DF  .~.~ Preformed non-metallic only
65  DF  .~.~.~ Externally profiled
66  DF  .~.~.~ Encased, laminated or composite
67  DF  .~.~ Compound or composite
68  DF  .~.~ Strip or filler plus supporting bracket
69  DF  .~.~ Sealing cap or filler support
70  DF  .~ Reinforced structure
71  DF  MISCELLANEOUS ROAD STRUCTURE (E.G., HEATED PAVEMENT)
72  DF  PROCESS
73  DF  .~ Handling or treating preformed modular unit
74  DF  .~ Providing expansion joint
75  DF  .~ In situ treatment of earth or roadway
76  DF  .~.~ Dust fixation or soil stabilization
77  DF  .~.~ Heating
78  DF  .~.~ Raising sunken pavement
79  DF  .~ Heating
80  DF  .~.~ Including separate handling of different sized aggregate
81  DF  .~ Separate handling of different sized aggregate
82  DF  .~ Sequential construction of diverse layers
83  DF  APPARATUS
84.05  DF  .~ Automatic control
84.1  DF  .~.~ Of material leveling means
84.2  DF  .~.~.~ Adjusted to a predetermined path
84.5  DF  .~.~.~ Adjusted to an acoustical or optical signal
84.8  DF  .~.~.~ Specific to a sloped or curved application
85  DF  .~ With means for alternative ground support by tool or transport means
86  DF  .~.~ Tool attachment type
87  DF  .~ Means to install or form joint
88  DF  .~.~ And means to hold or position dowel
89  DF  .~.~ Means to form groove in plastic or uncured roadway
90  DF  .~ With in situ means for both comminuting and treating, e.g., grading, oiling, stabilizing
91  DF  .~.~ Including removal and redepositing means
92  DF  .~ With means for in situ material preparation, e.g., mixing
93  DF  .~ With surface marking (or grooving)
94  DF  .~.~ Applied to existing hard surface
95  DF  .~ With means for heating a road base, surface, or material
96  DF  .~ With means for profile shaping, e.g., crown
97  DF  .~.~ Manually propelled
98  DF  .~.~ Curb or gutter
99  DF  .~ Block laying
100  DF  .~ Reinforcement material placing, laying or positioning
101  DF  .~ Material distribution means
102  DF  .~.~ Including dynamic means to densify material
103  DF  .~.~.~ Leveling or smoothing roller
104  DF  .~.~ Shoulder paving or surface widening
105  DF  .~.~ With material supply to self-contained side forms, e.g., slip-forms
106  DF  .~.~ With material supply to unit-supporting rail type side forms
107  DF  .~.~ Joint or crack filling
108  DF  .~.~ Including material supply
109  DF  .~.~.~ Boom and bucket type
110  DF  .~.~.~ Portable spreader box
111  DF  .~.~.~ Liquid supply
112  DF  .~ Tool rotating in horizontal plane
113  DF  .~ Means to agitate material
114  DF  .~.~ Mounted on screed
115  DF  .~.~ Material immersed agitating means
116  DF  .~.~.~ Individual element, vertically oriented
117  DF  .~.~ Compacting roller with vibrating means
118  DF  .~ Screed or drag
119  DF  .~.~ Supported on rail type side forms
120  DF  .~.~ Reciprocating
121  DF  .~ Sheep foot roller
122  DF  .~ Rotating drum, roller or tire
123  DF  .~.~ Three tandem rollers
124  DF  .~.~ Roller periphery characteristics
125  DF  .~.~ Plural roll axes angularly shiftable
126  DF  .~.~ Plural roll axes relatively shiftable
127  DF  .~.~ Specific to slope, trench or shoulder application
128  DF  .~.~ Attachment or combined
129  DF  .~.~ With means to lubricate, scrape or clean roller surface
130  DF  .~.~ Shiftable or variable ballast
131  DF  .~.~ Manually propelled, e.g., lawn roller
132  DF  .~.~ Plural rolls with common axes
133.05  DF  .~ Tamper
133.1  DF  .~.~ Manually guided
133.2  DF  .~.~ Attached to a disparate device
134  DF  REINFORCEMENT STRUCTURE PER SE
135  DF  .~ With road chair
136  DF  ROAD CHAIR PER SE