Plastic article or earthenware shaping or treating: apparatus – Building forms or construction engineering type mold with... – Including mold charging means
Patent
1981-04-06
1983-08-09
Parrish, John A.
Plastic article or earthenware shaping or treating: apparatus
Building forms or construction engineering type mold with...
Including mold charging means
404114, 404119, 425456, B28B 108
Patent
active
043976263
ABSTRACT:
A lightweight portable concrete screed utilizes an elongated open frame supported on opposed forms and adapted to screed an entire width of concrete formed road and simultaneously form associated curbing on both sides of the road.
REFERENCES:
patent: 3224348 (1965-12-01), Maginniss
patent: 3377933 (1968-04-01), Dale
patent: 3600773 (1971-08-01), Davis
patent: 4213749 (1980-07-01), Morrison
patent: 4261694 (1981-04-01), Morrison
Olive B. B.
Parrish John A.
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