Process for developing surfaces

Road structure – process – or apparatus – Process

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Details

404 70, E01C 306

Patent

active

039778037

ABSTRACT:
A process for developing surfaces to determined elevations upon sound surfaces, whether or not these said sound surfaces are level or regular, said development to be done by the use of pre-set points and pre-set screeds, used either alone or in conjunction with one another, formed upon the said sound surfaces, which pre-set points and pre-set screeds become part of the new surfaces being developed.

REFERENCES:
patent: 1672852 (1928-06-01), Roughan
patent: 1809870 (1931-06-01), Smith
patent: 2031265 (1936-02-01), Keseling
patent: 2064705 (1936-12-01), Whitehead
patent: 2262704 (1941-11-01), Tompkins
patent: 3115726 (1963-12-01), Sayles
patent: 3390500 (1968-07-01), Schumak
patent: 3397494 (1968-08-01), Waring
patent: 3447279 (1969-06-01), Martens

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