Interlocking roof tiles

Details Interlocking roof tiles Interlocking roof tiles

2006-02-28

2006-02-28

Nelson, Jr., Milton (Department: 3636)

Static structures (e.g., buildings)

Wall, ceiling, floor, or roof designed for ventilation or...

C052S533000, C052S553000

Reexamination Certificate

active

07003922

ABSTRACT:
An extruded concrete interlocking roof tile has upper and under surfaces, upper and lower edges, two opposite side edges, with the upper surface having a recess extending transversely between the two opposite side edges adjacent the upper edge for receiving a lower edge region of an adjacent tile in overlapping relationship, and in that an integral spacer acts between the recess floor and the undersurface of the adjacent tile.

REFERENCES:
patent: 1427968 (1922-09-01), Pedersen
patent: 4914885 (1990-04-01), Baker et al.
patent: 6367221 (2002-04-01), Elliott
patent: 0175500 (1986-03-01), None
patent: 0175500 (1986-03-01), None
patent: 1400185 (1975-07-01), None
patent: 1400185 (1975-07-01), None
patent: 2278799 (1994-12-01), None
patent: 2302838 (1997-02-01), None
patent: WO 94/18413 (1994-08-01), None
patent: WO9418413 (1994-08-01), None

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