Envelope for safely protecting documents

Details Envelope for safely protecting documents Envelope for safely protecting documents

1991-01-29

1992-02-11

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Envelope

Closures

383903, B65D 2722

Patent

active

050869701

ABSTRACT:
An envelope includes a face and a base having a side edge integrally formed together and having a bottom edge welded together. A slot is formed in an upper edge portion of the face. A flap is integrally formed on an upper edge portion of the base and an ear is formed in the flap. The ear is insertable through the slot of the face when the flap is folded and superposed upon the face so that the upper edge portions of the face and of the base can be clamped together and so that papers disposed within the envelope can be safely and stably retained in place.

REFERENCES:
patent: 1558921 (1925-10-01), Reichle
patent: 1743305 (1930-01-01), Banks
patent: 2100768 (1937-11-01), Schuknecht
patent: 2996239 (1961-08-01), Lennartz
patent: 3372857 (1968-03-01), Brayla
patent: 3485437 (1969-12-01), Gruentzel et al.
patent: 3593913 (1971-07-01), Brener
patent: 4485962 (1984-12-01), Farley
patent: 4765485 (1988-08-01), Perkins

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