US3283945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container opening device
Assignee: Alcoa Corp
•
Filing: 1964-12-21
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Granted: 1966-11-08
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Close
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:44
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METAL CAN END HAVING AN ELONGATED REMOVABLE TEAR STRIP DEFINED BY SCORING, A PULL-TAB AFFIXED TO AN END OF SAID TEAR STRIP BY MEANS OF A RIVET FORMED INTEGRALLY WITH SAID TEAR STRIP, A PORTION OF SAID SCORING DISPOSED ADJACENT SAID RIVET HAVING A RELATIVELY SMALL HOLE PENETRATING THROUGH SAID END, AND SEALING MATERIAL FILLING SAID HOLE.
Claim 2
Dependent Claim
58 words
A METAL CAN END HAVING AN ELONGATED REMOVABLE TEAR STRIP DEFINED BY SCORING, A PULL-TAB AFFIXED TO AN END OF SAID TEAR STRIP BY MEANS OF A RIVET FORMED INTEGRALLY WITH SAID TEAR STRIP, A PORTION OF SAID SCORING DISPOSED ADJACENT SAID RIVET HAVING A RELATIVELY SMALL HOLE PENETRATING THROUGH SAID END, AND SEALING MATERIAL FILLING SAID HOLE.
References Cited (Backward Citations)
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Cited
US2772808A
Cited
US2870935A
Cited
US3089610A
Cited
US3089609A
Cited
US3151766A
Cited
US3182852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |