Multi-channel transparent microfilm jacket

Details Multi-channel transparent microfilm jacket Multi-channel transparent microfilm jacket

1984-07-09

1985-06-18

Swiatek, Robert P.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

A47G 106

Patent

active

045234019

ABSTRACT:
A multi-channel transparent jacket to accommodate microfilm strips having a given thickness. The jacket is constituted by top and bottom rectangular panels of flexible synthetic plastic material and plastic ribs formed in situ along parallel lines between the panels and integrally bonded thereto to maintain the panels in spaced relation and to define open-ended channels whose width is substantially equal to the width of the strips. The thickness of the ribs is substantially equal to that of the strips whereby when the strips are held within the channels.

REFERENCES:
patent: 3008862 (1961-11-01), Haine et al.
patent: 3130647 (1964-04-01), Anderson et al.
patent: 3166458 (1965-01-01), Chinn et al.
patent: 3238655 (1966-03-01), Engelstein
patent: 3661675 (1972-05-01), Frankowski

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