Static structures (e.g. – buildings) – With lifting or handling means for primary component or... – Position adjusting means; e.g. – leveling
Reexamination Certificate
2007-08-21
2007-08-21
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
With lifting or handling means for primary component or...
Position adjusting means; e.g., leveling
C052S749110, C052S747110, C033S526000
Reexamination Certificate
active
11466947
ABSTRACT:
A method for installing tiles includes the steps of positioning a base in overlying relation to cementitious material. First and second spacer arms are formed on the base in normal relation to one another. Preselected corners of four tiles are positioned in overlying relation to the base and are spaced apart from one another by the spacer arms. A post having ratchet teeth is formed integrally with the base at the center of the base. A disc receives the post and a pawl formed in the disc prevents displacement of the disc away from the base. The disc is positioned in overlying relation to the four corners of the tiles so that it overlies and holds the tiles level between the base and the disc. After curing of the cementitious material, an installer twists the disc in a plane parallel to the tiles until the post breaks off.
REFERENCES:
patent: 4397125 (1983-08-01), Gussler, Jr.
patent: 5288534 (1994-02-01), Tavshanjian
patent: 5359783 (1994-11-01), Smith
patent: 5675942 (1997-10-01), Crawford
patent: 2005/0166483 (2005-08-01), Mead
patent: 2006/0185319 (2006-08-01), Kufner et al.
Canfield Robert
Dreidame Hunter M
Smith Ronald E.
Smith & Hopen , P.A.
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