Agitating – Mortar mixer type – With ingredient proportioning
Reexamination Certificate
2005-04-21
2009-08-11
Davis, Robert B (Department: 1791)
Agitating
Mortar mixer type
With ingredient proportioning
C366S008000, C366S041000, C366S152100, C366S153200, C425S130000, C425S260000, C425S448000
Reexamination Certificate
active
07572048
ABSTRACT:
An apparatus for highly controlled color composition and distribution within the face mix of semi-dry concrete mix paving stones is disclosed.
REFERENCES:
patent: 3216464 (1965-11-01), Horst
patent: 4265609 (1981-05-01), Kitahara
patent: 2003/0198122 (2003-10-01), Johnson
Grossi James
Kemp Arjan
Morey Matthew K.
van Baarsel Robert
Veerkamp Bernhard
Calstone
Davis Robert B
Leyson Joseph
Rekers GmbH Maschinen-und Anlagenbau
Vierra Magen Marcus & DeNiro LLP
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