US 9,808,947 B2
Roofing shingle system
Lawrence J. Grubka, Westerville, OH (US); Carmen A. LaTorre, Worthington, OH (US); Bert W. Elliott, Toledo, OH (US); and Christopher C. Freidner, Granville, OH (US)
Assigned to Owens Corning Intellectual Capital, LLC, Toledo, OH (US)
Filed by Owens Corning Intellectual Capital, LLC, Toledo, OH (US)
Filed on Dec. 28, 2015, as Appl. No. 14/979,808.
Claims priority of provisional application 62/097,775, filed on Dec. 30, 2014.
Prior Publication US 2016/0186436 A1, Jun. 30, 2016
Int. Cl. B26D 3/10 (2006.01); E04D 1/26 (2006.01); E04D 1/00 (2006.01); B26D 1/40 (2006.01)
CPC B26D 3/10 (2013.01) [E04D 1/26 (2013.01); B26D 1/405 (2013.01); E04D 2001/005 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A roofing system, comprising:
a plurality of first shingles having two tabs arranged in a first two-tab shingle pattern including a first tab having a first width spaced apart from a second tab having a second width by a first cutout having a first cutout width substantially equal to the first width, wherein the first width and the second width are substantially equal; and
a plurality of second shingles having two tabs arranged in a second two-tab shingle pattern including a third tab having a third width spaced apart from a fourth tab having a fourth width by a second cutout having a second cutout width substantially equal to the third width, wherein the third width is substantially equal to the first width and the fourth width is about double the second width;
wherein the plurality of first shingles and the plurality of second shingles can be formed from a rectangular shingle blank in an interwoven pattern with substantially no scrap or waste material.