Paper cup having a collapsible bottom

Details Paper cup having a collapsible bottom Paper cup having a collapsible bottom

1995-04-20

1996-07-23

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paper or paperboard cup

Collapsible cup

2291221, 229238, 220907, B65D 314

Patent

active

055381804

ABSTRACT:
A paper cup comprises a cylindrical body having an open top and a bottom which is provided on the underside thereof with a plurality of waterproof tearing traces radiating from the center of the underside and is further provided centrally on the underside thereof with a handle fastened thereto and a large arrow indicating the direction in which the handle is pulled to bring about a total breakdown of the bottom of the paper cup. The bottom of the cylindrical body is still further provided centrally on the underside thereof with a plurality of small arrows serving to identify the area to be pressed with finger to bring about the tearing up of the bottom along the tearing traces.

REFERENCES:
patent: 1033744 (1912-07-01), Smith
patent: 2189436 (1940-02-01), Rosenfield
patent: 3324999 (1967-06-01), Farquhar
patent: 3903643 (1975-09-01), Blackmore et al.
patent: 3921892 (1975-11-01), Macie
patent: 4119263 (1978-10-01), Cuthbertson et al.
patent: 4125218 (1978-11-01), DeBoer
patent: 4792086 (1988-12-01), Chen
patent: 4798295 (1989-01-01), Rausing
patent: 5025981 (1991-06-01), Schellenberg

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