Paving stone

Details Paving stone Paving stone

1976-04-23

1977-10-04

Jaudon, Henry S.

Road structure, process, or apparatus

Pavement

Modules or blocks

E01C 500

Patent

active

040521311

ABSTRACT:
A paving stone module in the form of a slab of substantially even thickness of a trapezoidal shape having substantially flat upper and lower surfaces, four side and end walls and a plurality of elongate apertures extending from the upper to the lower surface, the side and end walls being withdrawn inwardly toward the lower surface of the stone, the apertures being narrower at their upper ends adjacent the upper surface of the stone, and upper marginal portions of the side, end and aperture walls define projecting edges. Along two or more outer walls of the stone may be provided spacer shoulders having an abutment surface extending perpendicularly of the lower and upper surfaces of the stone.

REFERENCES:
patent: 1379440 (1921-05-01), Brainerd
patent: 1766561 (1930-06-01), Straub
patent: 2215159 (1940-09-01), Rothmann
patent: 2231780 (1941-02-01), Swenson
patent: 2662343 (1953-12-01), Rice

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