Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1976-11-01
1977-11-15
Grieb, William H.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
283 31, B42D 316
Patent
active
040583279
ABSTRACT:
A presentation folder for the display of test or other educational material or sales or promotion material, or the like. The device is a compact unit for storing and displaying pictorial and/or typographical material printed or otherwise reproduced on pages within the device. When closed, it is in the form of a book. When opened, it assumes the form of an easel presenting stimulus material. The unit includes a one-piece molded casing having relatively stiff front and back covers formed integral with and hinged to a spine, and includes a plurality of pages of pictorial and/or typographical stimulus material loosely bound, as by spiral or other binding, or the like, for flipping from one side to the other of the easel formed when the device is opened. The device is provided with an integral storage compartment for receiving manuals, recorded tape reels and/or casettes, or the like.
REFERENCES:
patent: 2091260 (1937-08-01), Farkas et al.
patent: 2318192 (1943-05-01), Boelema, Jr.
patent: 2865659 (1958-12-01), Zimmermann
patent: 3503141 (1970-03-01), Schwartz
patent: 3620552 (1971-11-01), Woodcock
Sullivan Peter
Yackel John P.
American Guidance Service, Inc.
Grieb William H.
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