US PATENT SUBCLASS 404 / 72
PROCESS

Current as of: June, 1999
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404 /   HD   ROAD STRUCTURE, PROCESS, OR APPARATUS

72PROCESS {6}
73  DF  .~> Handling or treating preformed modular unit
74  DF  .~> Providing expansion joint
75  DF  .~> In situ treatment of earth or roadway {3}
79  DF  .~> Heating {1}
81  DF  .~> Separate handling of different sized aggregate
82  DF  .~> Sequential construction of diverse layers

DEFINITION

Classification: 404/72

(under the class definition) Subject matter relating to a method, or mode or procedure, for making a road or road components not elsewhere classified.

(1) Note. See reference to Class 264 under the class definition of Class 404.

SEE OR SEARCH CLASS

73, Measuring and Testing,

105, and 146 for measurement of the road profile.

156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for a process of, and apparatus for, bonding or laminating of general utility. 165, Heat Exchange, appropriate subclasses for in situ pavement or for heating material during processing.

427, Coating Processes,

136+, for a method of coating a pavement.