Roofing shingle with uneven edge cut
AssigneeCertainTeed Corporation
InventorRobert L. Jenkins
Life of this patent
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Abstract
A roofing shingle has side edges, an upper unexposed area, and a lower exposed area. The lower exposed area has a lower edge. The lower edge can include an uneven profile. The uneven profile can include a symmetry element. The symmetry element can only pertain to the course of the uneven profile.
Claims45
A roofing shingle having side edges, an upper unexposed area, a lower exposed area with a lower edge, wherein the lower edge includes an uneven profile, the uneven profile having a symmetry element.
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A roofing shingle having side butt edges, an upper unexposed area and a lower exposed area and at least n slots defining at least n+1 tabs, each tab having a nominal length and a lower edge, wherein the lower edge of at least n−1 tabs includes at least one offset from the nominal length.
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A roof of a building having roofing shingles, the roofing shingles comprising:
- a substrate;
- a top asphalt layer overlying the substrate;
- granular matter;
- side butt edges,
- an upper unexposed area and a lower exposed area;
- and at least n slots defining at least n+1 tabs, each tab having a nominal length and a lower edge, wherein the lower edge of at least n−1 tabs includes at least one offset from the nominal length.
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Dependencies are inferred from the claim text.