Static molds – Mold element – In situ construction engineering or building type
Reexamination Certificate
2011-01-18
2011-01-18
Wilkens, Janet M (Department: 3637)
Static molds
Mold element
In situ construction engineering or building type
C249S047000, C052S582100, C052S802100, C428S076000, C428S113000
Reexamination Certificate
active
07871055
ABSTRACT:
A lightweight concrete formwork panel has a wooden rectangular frame with perimeter members and inner ribs that define openings in the frame. A lightweight core material substantially fills the openings in the wooden frame. An outer skin substantially covers the frame. The outer skin has a layer of transversely oriented fibrous material and a layer of longitudinally oriented fibrous material.
REFERENCES:
patent: 839819 (1907-01-01), Lhorbe
patent: 903456 (1908-11-01), Davis
patent: 2296036 (1942-09-01), Horn
patent: 3168772 (1965-02-01), Williams
patent: 3381929 (1968-05-01), Bancker
patent: 3471984 (1969-10-01), Hayes
patent: 4228625 (1980-10-01), Ruffer et al.
patent: 4820568 (1989-04-01), Harpell et al.
patent: 4856754 (1989-08-01), Yokota et al.
patent: 4894974 (1990-01-01), Mayhew et al.
patent: 4937993 (1990-07-01), Hitchins
patent: 5098059 (1992-03-01), Sawyer
patent: 5182996 (1993-02-01), Gutgsell
patent: 5667866 (1997-09-01), Reese, Jr.
patent: 5792552 (1998-08-01), Langkamp et al.
patent: 5799399 (1998-09-01), Schultz
patent: 6114003 (2000-09-01), Gottfried
patent: 6865859 (2005-03-01), Flathau
patent: 2003/0096072 (2003-05-01), Johnson
patent: 2003/0193007 (2003-10-01), Wells
patent: 2004/0007656 (2004-01-01), Seela
patent: 2004/0056172 (2004-03-01), Sedran
patent: 2004/0213952 (2004-10-01), Takemura et al.
patent: 2005/0229536 (2005-10-01), Yoshii et al.
patent: 2005/0257478 (2005-11-01), Callinan
patent: 2005/0266222 (2005-12-01), Clark et al.
patent: 2005/0284089 (2005-12-01), Groothuis
patent: 2007/0228254 (2007-10-01), England
patent: 2008/0118735 (2008-05-01), Kanao
patent: 2008/0128030 (2008-06-01), Lewis
patent: 03227201 (1991-10-01), None
patent: 09203068 (1997-08-01), None
International Search Report; International Application No. PCT/US 07/09720.
Dagher Habib J.
Fayad Ghassan N.
Giffen Matthew S.
Kenerson Jonathon E.
MacMillan Sobanski & Todd LLC
University of Maine System Board of Trustees
Wilkens Janet M
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