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US 2003/0115819 A1Published application
Interlocking roof tiles
AssigneeWestile, Inc.
InventorJohn Fifield
Life of this patent
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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 integral spacer means acts between the recess floor and the undersurface of the adjacent tile.
Claims17
An extruded interlocking roof tile made from cementitious material and having:
- a. upper and under surfaces;
- b. upper and lower edges;
- c. two opposite side edges,
- d. means defining a recess having a floor and extending transversely between the two opposite side edges adjacent the upper edge on the upper surface for receiving a lower edge region of an adjacent tile in overlapping relationship;
- and
- e. integral spacer means acting between the floor of the recess and the undersurface of the said adjacent tile.
3 more elements
Dependencies are inferred from the claim text.