Concrete screed with movable leading edge

Road structure – process – or apparatus – Apparatus – Screed or drag

Reexamination Certificate

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Details

C404S083000, C404S084100

Reexamination Certificate

active

07357596

ABSTRACT:
A floating screed device has an elongated float and an elongated blade movably coupled to the elongated float so that the blade is movable in pitch.

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patent: 2006/0120801 (2006-06-01), Johnson

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