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US 4,380,129 AGranted
Proof-of-purchase for self-opening cans
AssigneeThe Coca-Cola Company
InventorMarshall J. Barrash
Life of this patent
Estimating the term…
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.
Claims16
A pull ring opening device for a self-opening can lid comprising:
- a finger engaging portion;
- a closure engaging portion for engaging closure means for said can;
- and
- an integral removable portion comprising at least a surface adapted to display indicia.
1 more element
A can end assembly for self-opening cans, comprising:
- a can end having a prescored opening area;
- and
- a pull ring opening device associated with said can end adjacent said prescored area, said pull ring opening device comprising an integral tab removable therefrom, said tab being positioned between said device and said can end.
A method for manufacturing a self-opening can end assembly having a prescored closure area, comprising:
- providing an integral pull ring device having a finger engaging portion, a closure engaging portion, and a removable portion;
- applying indicia to said removable portion;
- and
- affixing said pull ring device to said can end.
1 more element
Dependencies are inferred from the claim text.