Thermos paper cup

Details Thermos paper cup Thermos paper cup

1991-03-08

1992-03-03

Pollard, Steven M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

229 15B, B65D 2100

Patent

active

050924850

ABSTRACT:
This invention relates to a thermos paper cup and in particular to one provided with a plurality of air chambers between the inner side and the outer side and having a distance between the bottom and the lower edge so as to separate the contents from the outside thereby keeping the contents at an unchanged temperature.

REFERENCES:
patent: 1771765 (1930-07-01), Benson
patent: 2266828 (1941-12-01), Sykes
patent: 2591578 (1952-04-01), McNealy et al.
patent: 2617549 (1952-11-01), Egger
patent: 2661889 (1953-12-01), Phinney
patent: 2853222 (1958-09-01), Gallagher
patent: 3141913 (1964-07-01), Edwards
patent: 3237834 (1966-03-01), Davis et al.
patent: 3456860 (1969-07-01), Janninck
patent: 3908523 (1975-09-01), Shikaya

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