Proof-of-purchase for self-opening cans

Details Proof-of-purchase for self-opening cans Proof-of-purchase for self-opening cans

1981-09-09

1983-04-19

Mancene, Gene

Card, picture, or sign exhibiting

Check, label, or tag

Barrel-, can- or round box-carried indicia

220270, G09F 300

Patent

active

043801293

ABSTRACT:
A novel proof-of-purchase configuration for a pull ring, lever style opening device is disclosed for both a detachable and non-detachable self-opening can lid.

REFERENCES:
patent: 2934843 (1960-05-01), Henchert
patent: 3190485 (1965-06-01), D'Andrea
patent: 3822496 (1974-07-01), Minder
patent: 3958354 (1976-05-01), Hough et al.
patent: 4171085 (1979-10-01), Doty
patent: 4203240 (1980-05-01), Goodwin
patent: 4322016 (1982-03-01), Barrash
patent: 4344545 (1982-08-01), Aschberger

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