Packaging of tabbed composite shingles having a backer strip...

Details Packaging of tabbed composite shingles having a backer strip... Packaging of tabbed composite shingles having a backer strip...

2006-08-01

2006-08-01

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

With indicia

C052S535000, C052S521000, C052S540000

Reexamination Certificate

active

07082724

ABSTRACT:
This invention relates to back-to-back inverse packaging of a pair of tabbed, composite roofing shingles consisting of (a) a top sheet having a lower butt portion divided into spaced tabs and an upper undivided headlap portion carrying a horizontal band of nailing indicia on the lower portion of its exposed surface; (b) a backer strip underlying the tabs of the top sheet and filling the spaces between the tabs and (c) vertical projections of approximately similar shape and spacing as the tabs, positioned on the top horizontal margin of the backer strip which projections extend upwardly beyond said band of indicia at a distance not more than one half the width of said headlap portion and which are interposed above the spaces between the tabs.

REFERENCES:
patent: 3407557 (1968-10-01), Shaw
patent: 3921358 (1975-11-01), Bettoli
patent: 4717614 (1988-01-01), Bondoc et al.
patent: 5369929 (1994-12-01), Weaver et al.
patent: 6804919 (2004-10-01), Railkar

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