Pour spout

Details Pour spout Pour spout

1976-04-12

1977-06-28

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 51TC, 229 51D, B65D 572

Patent

active

040320618

ABSTRACT:
A hinged pour spout for the upper corner of a rectangular paperboard carton which is formed integrally with the blank and can be reinserted to close the opening after use.

REFERENCES:
patent: 1286038 (1918-11-01), Lowy
patent: 2276577 (1942-03-01), Hahn
patent: 2364439 (1944-12-01), Guyer
patent: 3521809 (1970-07-01), Zimmerman
patent: 3570745 (1971-03-01), Aoki
patent: 3708109 (1973-01-01), Rosenburgh, Jr.

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