File folder with expandable pocket

Envelopes – wrappers – and paperboard boxes – Envelope – Compartment

Patent

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Details

40359, 229DIG3, B65D 2708

Patent

active

041098501

ABSTRACT:
A one-piece file folder for use in vertical, lateral, rotary and similar files having an improved expandable pocket with a locking tab that is slidable in accordance with the amount of papers disposed within the pocket.

REFERENCES:
patent: 1042488 (1912-10-01), Shaffer
patent: 1058081 (1913-04-01), Montgomerie
patent: 1194440 (1916-08-01), Swortfiguer
patent: 1774215 (1930-08-01), Weinthrop
patent: 3933294 (1976-01-01), Meenan et al.

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