Binder device releasably engaging aperture or notch of sheet – Depository
Patent
1989-10-04
1991-01-01
Watts, Douglas D.
Binder device releasably engaging aperture or notch of sheet
Depository
281 33, 402 70, B42F 1300
Patent
active
049813862
ABSTRACT:
A notebook having an internal easel stand. The notebook can be a looseleaf notebook. The notebook can be converted to an easel stand holding the sheets of paper in an upright position. The notebook has a flat easel panel attached to a portion of the inside surface of the notebook cover. When the notebook cover to which the easel panel is attached is flexed along a bendline running across the cover, the easel panel juts into the interior of the notebook. The easel panel is held in place in an upright position by a gripping device attached to inside surface of the cover.
REFERENCES:
patent: 1292720 (1919-01-01), Dawson
patent: 1577697 (1926-03-01), Douglas
patent: 1979814 (1934-11-01), Unger
patent: 2722434 (1955-11-01), Wolfe
patent: 3450420 (1969-06-01), Smith
patent: 3638967 (1972-02-01), Mullins
patent: 3724876 (1973-04-01), Krikorian
patent: 4213520 (1980-07-01), Sarna
patent: 4576497 (1986-03-01), Beleckis
patent: 4603995 (1986-10-01), Vilona
patent: 4880327 (1989-11-01), Sanabria
Dennison Manufacturing Company
Hamill Jr. Thomas
Josephs Barry D.
Watts Douglas D.
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