Drainage board system

Road structure – process – or apparatus – Pavement – Including bed

Reexamination Certificate

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Details

C404S036000, C404S035000

Reexamination Certificate

active

07404689

ABSTRACT:
A coupling assembly is attached to the upper surface of a board having upper and lower surfaces. The coupling assembly is extendable upwardly for coupling to a covering surface. A plurality of projections on the lower surface of the board are extendable downwardly for contacting a floor for support. A plurality of apertures extends through the board for functioning with the projections for ventilation and moisture abatement.

REFERENCES:
patent: 3687021 (1972-08-01), Hensley
patent: 3802144 (1974-04-01), Spica
patent: 4478901 (1984-10-01), Dickens et al.
patent: 5259163 (1993-11-01), Pacione
patent: D358053 (1995-05-01), Austin
patent: 5666772 (1997-09-01), Betty
patent: 6526704 (2003-03-01), Berard et al.
patent: 6599599 (2003-07-01), Buckwater et al.
patent: 6737150 (2004-05-01), Zahler et al.
patent: 6802167 (2004-10-01), Pacione
patent: 7043792 (2006-05-01), Kessler
patent: 7185473 (2007-03-01), Pacione
patent: 2002/0139074 (2002-10-01), Smith
patent: 2003/0154676 (2003-08-01), Schwartz
patent: 2005/0252109 (2005-11-01), Fuccella et al.

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