Patent US3251503A successfully refreshed from Google Patents.
US3251503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening and lifting can-end with dead-end inside score line
Assignee: Continental Can Co Inc
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Filing: 1964-01-10
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Granted: 1966-05-17
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 John S Bozek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:07
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/34; B65D17/36; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A CONTAINER END OF THE EASY OPENNG TYPE COMPRISING AN END PANEL AND PERIPHERAL SECURING MEANS, AN OUTER WEAKENING LINE IN SAID END PANEL AND EXTENDING ABOUT AND DEFINING A REMOVABLE PORTION OF SAID END PANEL, AN INNER WEAKENING LINE IN SAID END PANEL AND COOPERATING WITH SAID OUTER WEAKENING LINE TO DEFINE A TEAR STRIP, SAID TEAR STRIP HAVING A STARTING END AND A TERMINAL END, SAID TEAR, STRIP TERMINAL END BEING INTEGRALLY CONNECTED TO SAID REMOVABLE PORTION WITH SAID TEAR STRIP BEING A PERMANENT PART OF SAID REMOVABLE PORTION, SAID INNER WEAKENING LINE HAVING A TERMINAL END AT SAID TEAR STRIP TERMINAL END AND GENERALLY U-SHAPED OUTLINE MEANS HAVING RECEIVED THEREIN SAID INNER WEAKENING LINE TERMINAL END FOR PREVENTING THE ACCIDENTAL TEARING OF SAID END PANEL MATERIALLY BEYOND SAID INNER TEAR STRIP TERMINAL END AND THEREBY ELIMINATING ALL POSSIBILITIES OF ACCIDENTAL TEARING OF SAID TEAR STRIP FROM THE REMAINDER OF SAID REMOVABLE PORTION.
Claim 2
Dependent Claim
155 words
A CONTAINER END OF THE EASY OPENNG TYPE COMPRISING AN END PANEL AND PERIPHERAL SECURING MEANS, AN OUTER WEAKENING LINE IN SAID END PANEL AND EXTENDING ABOUT AND DEFINING A REMOVABLE PORTION OF SAID END PANEL, AN INNER WEAKENING LINE IN SAID END PANEL AND COOPERATING WITH SAID OUTER WEAKENING LINE TO DEFINE A TEAR STRIP, SAID TEAR STRIP HAVING A STARTING END AND A TERMINAL END, SAID TEAR, STRIP TERMINAL END BEING INTEGRALLY CONNECTED TO SAID REMOVABLE PORTION WITH SAID TEAR STRIP BEING A PERMANENT PART OF SAID REMOVABLE PORTION, SAID INNER WEAKENING LINE HAVING A TERMINAL END AT SAID TEAR STRIP TERMINAL END AND GENERALLY U-SHAPED OUTLINE MEANS HAVING RECEIVED THEREIN SAID INNER WEAKENING LINE TERMINAL END FOR PREVENTING THE ACCIDENTAL TEARING OF SAID END PANEL MATERIALLY BEYOND SAID INNER TEAR STRIP TERMINAL END AND THEREBY ELIMINATING ALL POSSIBILITIES OF ACCIDENTAL TEARING OF SAID TEAR STRIP FROM THE REMAINDER OF SAID REMOVABLE PORTION.
References Cited (Backward Citations)
US2978140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |