Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Reexamination Certificate
2006-09-12
2006-09-12
Addie, Raymond W (Department: 3671)
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
C404S092000, C404S101000, C404S102000
Reexamination Certificate
active
07104723
ABSTRACT:
A screed assembly apparatus for loose or plastic materials such as placed and/or poured, uncured concrete previously placed on the ground or another support surface, includes a screed frame, and mounted thereon, a striker for engaging and spreading the materials and a rotatable auger for moving the material longitudinally along the screed frame. The auger provides a pair of intertwined spiral flight coils. The striker is spaced to one side of the auger and in parallel thereto. An auger mounting means and a motive power means are engaged for rotating the auger to remove excess portions of the concrete from the pour.
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patent: 5599098 (1997-02-01), Christie
patent: 5865592 (1999-02-01), Hansen
Addie Raymond W
Patent Law & Venture Group
Scott Gene
LandOfFree
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