Envelopes – wrappers – and paperboard boxes – Envelope – Compartment
Patent
1974-09-18
1976-03-30
Price, William
Envelopes, wrappers, and paperboard boxes
Envelope
Compartment
229 927, B65D 2706
Patent
active
039469387
ABSTRACT:
A multiple piece envelope arrangement is made from a single blank folded so that seal gum may be applied simultaneously upon the adjacent sealing flaps of separable pieces, thereby substantially reducing the cost of production.
REFERENCES:
patent: 743317 (1903-11-01), Naugle
patent: 2928583 (1960-03-01), Law
Garbe Stephen P.
Price William
Tension Envelope Corporation
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