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US 4,079,561 AGranted
Metal roofing shingle
OwnerLouis Leonce Valleeinventor
Life of this patent
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OwnerLouis Leonce Valleeinventor
Estimating the term…
Metal roofing shingles including triangular shaped gable and eave starting shingles and square or rectangular shaped shingles covering the main body of the roof, the shingles being laid in courses whereby their edges run at an angle from the gable ends and eave edges upwards towards the ridge of the roof and under a ridge cap. Each of the shingles is secured to the underlying roof structure by a roofing nail passing through the uppermost corner of the shingle. The lowermost edges of the shingles are interlocked over and under the uppermost edges of adjacent shingles and have their lowermost corners overlapping the uppermost roofing nail secured corner of adjacent shingles. The edges of the triangular shaped shingles adjacent to the gable ends and eave edges of the roof are folded under and inwards in locking engagement with folded protruding edges of gable and eave starter lengths of formed sheet material which have been secured to the gable end and eave edges of the underlying roof structure. The ridge cap covering the upper portions of the shingles is in two longitudinal parts, the under part being secured by roofing nails passing through theunderlying shingles to the underlying roof structure. The upper part of the ridge cap has inturned lower edges which slidingly engage with folded over edge portions of the under part of the ridge cap.
A roof covering for a roof under structure comprising roof eave starter strips and gable end starter strips formed of sheet metal and secured to the said under structure and a series of shingles formed of sheet metal including triangular shaped eave starter shingles and triangular gable end starter shingles, the said eave and gable starter shingles each having one edge portion interlocked with an edge portion of adjacent eave and gable starter strips and each being secured at an upper corner thereof by a roofing nail to the underlying roof structure, and a series of four sided shingles covering the area of the roof between the said eave and gable starter shingles, the said four sided shingles adjacent to the said eave and gable starter shingles having their edge portions interlocked with adjacent edge portions of the said eave and gable starter shingles and the remaining four sided shingles each having their edge portions interlocked with the edge portions of adjacent four sided shingles, and having their uppermost corners secured by a roofing nail to the underlying roof structure, the said eave, gable and four sided shingles having their edges forming continuous unbroken lines disposed at an angle of 45.degree. from the eave and gable ends of the roof towards the ridge of the roof, and a ridge cap covering the uppermost edge of the said assembled shingles.
Dependencies are inferred from the claim text.