Roofing shingle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 2, 1989
Grant Date -
N/A
app pub date -
Apr 21, 1988
filing date -
Apr 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a reroofing shingle having a 7.5 inch or a 15 inch vertical exposure, a 2 inch lap portion and an overall height of n(exposure)+2 inches where n has a value of 1 when the reroofing shingle is an undivided strip and a value of 2 when the reroofing shingle comprises a sheet having spaced tabs in the butt portion thereof. The invention also relates to the installation of the present tabbed reroofing shingles over standard asphaltic roofing in a manner such that the lower tab edges of each successive course of reroofing shingle is alined with the top of the spaces between tabs of the preceding reroofing course and allows for a 7.5 inch or 15 inch exposure between courses.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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