Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Reexamination Certificate
2008-01-22
2008-01-22
Hartmann, Gary S (Department: 3671)
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
C404S114000, C404S118000
Reexamination Certificate
active
07320558
ABSTRACT:
A screeding apparatus and method for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partially supports the vibrating member and/or the grade setting device. The grade setting device may be vertically adjustable to set or indicate the desired grade of the concrete surface as the screeding apparatus is moved over and through the uncured concrete. The level of the screeding apparatus may be automatically adjustable to maintain a desired level and angle of attack of the vibrating member.
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Halonen Philip D
Hohmann, Jr. Howard E
Kieranen Carl B
Pietila Mark A
Quenzi Philip J
Hartmann Gary S
Somero Enterprises, Inc.
Van Dyke Gardner, Linn & Burkhart, LLP
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