Patent US3221923A successfully refreshed from Google Patents.
US3221923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-paneled metal can-end with scored and beaded tear strip
Assignee: Continental Can Co Inc
•
Filing: 1964-01-03
•
Granted: 1965-12-07
•
Expires: 1984-01-03
Abstract
No abstract record available.
Inventors
- 👤 John S Bozek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A CONTAINER END COMPRISING AN END PANEL AND A PERIPHERAL FLANGE FOR ATTACHMENT TO A CONTAINER, INNER AND OUTER WEAKENING LINES DEFINING A REMOVABLE TEAR STRIP EXTENDING GENERALLY AROUND A CENTRAL PANEL PORTION, SAID OUTER WEAKENING LINE BEING SUBSTANTIALLY LOOP SHAPED TO EFFECT THE REMOVAL OF THAT PORTION OF SAID END PANEL DEFINED BY SAID OUTER WEAKENING LINE, SAID TEAR STRIP HAVING
Claim 2
Dependent Claim
62 words
A CONTAINER END COMPRISING AN END PANEL AND A PERIPHERAL FLANGE FOR ATTACHMENT TO A CONTAINER, INNER AND OUTER WEAKENING LINES DEFINING A REMOVABLE TEAR STRIP EXTENDING GENERALLY AROUND A CENTRAL PANEL PORTION, SAID OUTER WEAKENING LINE BEING SUBSTANTIALLY LOOP SHAPED TO EFFECT THE REMOVAL OF THAT PORTION OF SAID END PANEL DEFINED BY SAID OUTER WEAKENING LINE, SAID TEAR STRIP HAVING
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |