Road structure – process – or apparatus – Apparatus – Tool rotating in horizontal plane
Reexamination Certificate
2007-06-19
2007-06-19
Addie, Raymond W. (Department: 3671)
Road structure, process, or apparatus
Apparatus
Tool rotating in horizontal plane
C404S083000, C404S084100
Reexamination Certificate
active
11131829
ABSTRACT:
A concrete tool assembly (10) used on a concrete surface (16) includes a surfacing apparatus (12) including a frame (18) and one or more trowel assemblies (34A,34B). Each trowel assembly (34A,34B) includes one or more trowels (54). The concrete tool assembly (10) also includes a remote control unit (14) that controls movement of the trowel assemblies (34A,34B) relative to the concrete surface (16). Further, the surfacing apparatus (12) can include a controller (24) that receives commands from the remote control unit (14). The controller (24) can control movement of at least one of the trowel assemblies (34A,34B) relative to the surface (16). The surfacing apparatus (12) can also include a pitch mover (990) that simultaneously adjusts the pitch of each of the trowels (54) relative to the surface (16).
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Corbitt, Chris, “Declaration of Chris Corbitt Regarding Testing Prior to the Filing of the Present Application”, Apr. 3, 2003, El Cajon, California.
Addie Raymond W.
Broder James P.
Roeder Steven G.
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