Roof shingles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 21, 1997
Grant Date -
N/A
app pub date -
Jul 6, 1995
filing date -
Aug 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A roof single includes a substantially rectangular tab extending from an end portion of a widthwisely extending eave side of a shingle body. When a long side of the rectangular tab is X and a short side thereof is Y, the shingle body has a width of 2X and a depth of 2Y+a (where a>0).
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