Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities
Reexamination Certificate
2005-03-01
2005-03-01
Barfield, Anthony D. (Department: 3636)
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
C052S220300, C052S220700, C052S220800, C052S592500
Reexamination Certificate
active
06860073
ABSTRACT:
A structure of a combinative interlocking board containing vertical and horizontal pipes is disclosed. The piping within the board divides the board into a middle region and two side regions, and the middle region is a piping passage for conduits and the piping connectors, and is provided with an actuating opening, the two side regions is conduits for screws in vertical and horizontal direction. The four corners of the board are provided with opening for the mounting of an interlocking plate allowing screws to pass through so as to lock the boards with each other. The decorative panels mounted to the board can be replaced.
REFERENCES:
patent: 2114387 (1938-04-01), Killion
patent: 4671032 (1987-06-01), Reynolds
patent: 5175969 (1993-01-01), Knauf et al.
patent: 5726387 (1998-03-01), Teinturier et al.
patent: 5746034 (1998-05-01), Luchetti et al.
Barfield Anthony D.
Lei Leong C.
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