Concrete screed with movable leading edge

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

Reexamination Certificate

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Reexamination Certificate

active

11294270

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

REFERENCES:
patent: 4861188 (1989-08-01), Rouillard
patent: 5549413 (1996-08-01), Bolden
patent: 6089787 (2000-07-01), Allen et al.
patent: 6379080 (2002-04-01), Saffo, Sr.
patent: 6779945 (2004-08-01), Saffo, Sr.
patent: 6923595 (2005-08-01), Chek
patent: 6953304 (2005-10-01), Quenzi et al.
patent: 6976805 (2005-12-01), Quenzi et al.
patent: 7195423 (2007-03-01), Halonen et al.

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