Magnetic tape cassette box

Details Magnetic tape cassette box Magnetic tape cassette box

1986-11-20

1988-05-10

Falk, Joseph

Supports: cabinet structure

For projector

206387, 3122343, A47B 8106

Patent

active

047430770

ABSTRACT:
A magnetic tape cassette box with an indicator device which shows whether or not the box contains a cassette. The indication is provided visibly and/or palpably in that region of the box which is always accessible for the insertion or removal of a cassette.

REFERENCES:
patent: 2169743 (1939-08-01), Schlage
patent: 3110215 (1963-11-01), Jenkins et al.
patent: 3275158 (1966-09-01), Glass et al.
patent: 3469760 (1969-09-01), Rausing et al.
patent: 3603478 (1971-09-01), Connan
patent: 3854885 (1974-12-01), Fromm et al.
patent: 4243279 (1981-01-01), Ackeret
patent: 4257524 (1981-03-01), Yonkers et al.
patent: 4399913 (1983-08-01), Gelardi et al.
patent: 4592600 (1986-06-01), Bohnet et al.

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