Road structure – process – or apparatus – Pavement – Vault cover-closure
Patent
1987-08-21
1989-02-28
Novosad, Stephen J.
Road structure, process, or apparatus
Pavement
Vault cover-closure
404 35, 404 32, E02D 2914
Patent
active
048080250
ABSTRACT:
A temporary device is used for street repair work to provide a ramp between the ground roadway surface and the upper end of such structures as manhole supports, storm sewer inlet grates, etc. The device of this invention is secured to the roadway by a plurality of stakes driven downwardly through the device and embedded in the roadway.
REFERENCES:
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patent: 1673630 (1928-06-01), Madge
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patent: 3426659 (1969-02-01), Clarke et al.
patent: 3968600 (1976-07-01), Bowman
patent: 4187647 (1980-02-01), Hall
patent: 4365743 (1982-12-01), Trickel et al.
patent: 4466219 (1984-08-01), Campolito
patent: 4746243 (1988-05-01), Perry
Novosad Stephen J.
Smith Matthew
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