Envelopes – wrappers – and paperboard boxes – Paperboard box – Thermally insulated
Patent
1995-06-20
1996-03-05
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Thermally insulated
229193, 229404, B65D 574
Patent
active
054959829
ABSTRACT:
A paper cup with a straw formed from a sheet of paper by folding and adhering, to have a cup body portion, a bottom portion and a cap portion. A straw is formed by two adhered side portions, each provided with a vertical semicircular groove. The straw has its lower end communicating with the interior of the cup body and an upper end serving as an outlet.
REFERENCES:
patent: 1219152 (1917-03-01), Reid
patent: 1255133 (1918-02-01), Carr
patent: 2220746 (1940-11-01), Wentz
patent: 2599919 (1952-06-01), Hucknall
patent: 2838220 (1958-06-01), Oppenheimer et al.
patent: 3279679 (1966-10-01), Engelsher et al.
patent: 3367380 (1968-02-01), Dickey
patent: 3726469 (1973-04-01), Koehler
patent: 3774804 (1973-11-01), Henning
patent: 3921889 (1975-11-01), Gibbons
patent: 5423476 (1995-06-01), Ferrer
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