Roof tiles

United States of America Patent

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Dec 10, 1991
Grant Date
N/A
app pub date
Jun 28, 1990
filing date
Jan 18, 1988

priority date (Note)
Expired

status (Latency Note)

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Abstract

An interlocking roof tile (1) of which the leading end portion (12) at least as far as the lower end of, and including the underlock (6) is tapered in the direction of the leading edge (5) of the tile (1).

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First Claim

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Patent Owner(s)

Patent Owner	Address
OLDCASTLE INC A CORP OF DE	11777 SAN VINCENTE BOULEVEARD SUITE 747 LOS ANGELES CA 90049

International Classification(s)

E04D:ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fifield, John A	Buckinghamshire, GB3	180	2700
Hammond, Leslie G	Buckinghamshire, GB3	2	59

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Roof tiles

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United States of America Patent

07536591

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Patent Longevity Expired	Forward Citations

PATENT NO	5070671
SERIAL NO	07536591
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07536591

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Abstract

First Claim

Family

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