Pamphlet with enhanced spine

Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers

Patent

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Details

281 211, 281 29, B42D 300

Patent

active

055755054

ABSTRACT:
A thin pamphlet or book cover, with a flat spine portion in a `T` configuration that is made from a single sheet of material folded four times.

REFERENCES:
patent: 3169029 (1965-02-01), Margolis
patent: 4284227 (1981-08-01), Corey
patent: 4537544 (1985-08-01), Joost
patent: 4928995 (1990-05-01), Pickering et al.
patent: 4934738 (1990-06-01), Colonna
patent: 5178414 (1993-01-01), Small et al.
patent: 5183294 (1993-02-01), Jukola et al.
patent: 5407230 (1995-04-01), Brink et al.

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