Class 404/30 - Having irregular aggregate module

Subclass of Class 404 - Road structure, process, or apparatus
Definition: Preformed, or selected, element layer structure wherein
No. of patents: 4
Last issue date: 01/30/2007

Number	Title	Issue Date
7168884	Reinforced permeable paving structure A paving structure (11) of the type having an upper wear layer (12) and an underlying sub-base layer (15) of rigid insoluble hard particulate material forming voids for the collection of water permeating through the permeable surface where layer...	01/30/2007
6146051	Paving system for spillage and flood management The paving system has a perforated pavement covering a deep substrate of mainly hard nodules or shells, the whole being surrounded by impervious walls to provide temporary storage in the interstices for chemical spillage or flood water, wherein liquids ma...	11/14/2000
5885025	Vehicle arresting bed systems Vehicle arresting beds, for installation at the ends of aircraft runways, are effective to safely decelerate aircraft entering the bed. The arresting bed is assembled of a large number of blocks of cellular concrete having predetermined compressive gradie...	03/23/1999
4653956	Highway pavement A highway pavement of concrete slab-on-grade surface includes a prestressed portland cement concrete surface layer which is mounted on a non-freezing low restraint support grade layer without any linear physical connection thereto in such a manner as to p...	03/31/1987

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