Patent ID: 7475516

Claim:
A plurality of assembled roofing shingles, each of said roofing shingles being of unitary construction and having a front surface, a leading edge and a trailing edge, each shingle comprising; a first nib having an apex and extending from the leading edge of the roofing shingle; a second nib having an apex and extending from the trailing edge of the roofing shingle; a scale having at least two intervally spaced markings positioned on the front surface of the roofing shingle, wherein the scale is associated with at least one of first and second nibs; at least one non-indented nailing zone located on the front surface of the roofing shingle; and a laying line oriented lengthwise on the front surface of the shingles, wherein the laying line being defined by a near edge and a far edge, wherein the laying line is exposed when an edge of an overlying roofing shingle is placed in contacting proximity with the near edge of the laying line, and wherein first and second nibs are staggered and have the same width as the laying line.