Binder device releasably engaging aperture or notch of sheet – Sheet retainer with base or depository
Patent
1980-04-18
1982-02-16
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with base or depository
281 33, B42F 1300, B42D 318
Patent
active
043156967
ABSTRACT:
A multi-ring loose-leaf binder which incorporates hooks adopted to detachably secure the binder to a horizontal bar of a suspension filing system, recessed into the top edges of its front and back covers. The binder is further provided with a hinged jack recessed within its spine and which may be extended to prop the open binder at a convenient angle to a horizontal work surface.
REFERENCES:
patent: 1077130 (1913-10-01), England
patent: 1728430 (1929-09-01), Mevi
patent: 1728431 (1929-09-01), Mevi
patent: 1957039 (1934-05-01), Buenger et al.
patent: 2046573 (1936-07-01), Newmeyer
patent: 3186114 (1965-06-01), Carter
patent: 3424167 (1969-01-01), Lennartz
patent: 4200945 (1980-05-01), Ellis
Ermanski Albert G.
Wright David M.
Bell Paul A.
Brown John S.
Gilbert Milton E.
Ross Gary E.
Wright Line Inc.
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