US3232474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opening means for sealed containers
Assignee: Alcoa Corp
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Filing: 1963-09-24
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Granted: 1966-02-01
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A TAB OPENING DEVICE FOR SEALED CONTAINER HAVING A CONTAINER WALL PROVIDED WITH A SCORE LINE TO DEFINE A TEAR-OUT PANEL HAVING A RUPTURING SECTION, SAID TAB OPENING DEVICE BEING ATTACHED AT ITS BASE TO THE TEAR-OUT PANEL, ONE END OF SAID TAB OPENING DEVICE BEING A SEVERING MEMBER WITH A FORWARD TERMINAL END AND IN SUBSTANTIALLY THE SAME SHAPE AND SLIGHTLY SMALLER THAN SAID RUPTURING SECTION AND HAVING RAISED PANELS EXTENDING LATERALLY FROM THE TAB OPENING DEVICE BASE AND SPANNING THE SCORE LINE AND EXTENDING LONGITUDINALLY AT LEAST TO THE FORWARD TERMINAL END OF SAID SEVERING MEMBER AND THE OTHER END HAVING A PARTIALLY CUT-AWAY LIFTING MEMBER EXTENDING LONGITUDINALLY ON EACH SIDE OF AND PAST THE POINT OF TAB ATTACHEMENT, SAID TAB OPENING DEVICE BEING ATTACHED TWO THE TEAR-OUT PANEL SO THAT THE SEVERING MEMBER OF THE TAB OPENING DEVICE OVERLIES THE RUPTURING SECTION OF THE TEAR-OUT PANEL.
Claim 2
Dependent Claim
149 words
A TAB OPENING DEVICE FOR SEALED CONTAINER HAVING A CONTAINER WALL PROVIDED WITH A SCORE LINE TO DEFINE A TEAR-OUT PANEL HAVING A RUPTURING SECTION, SAID TAB OPENING DEVICE BEING ATTACHED AT ITS BASE TO THE TEAR-OUT PANEL, ONE END OF SAID TAB OPENING DEVICE BEING A SEVERING MEMBER WITH A FORWARD TERMINAL END AND IN SUBSTANTIALLY THE SAME SHAPE AND SLIGHTLY SMALLER THAN SAID RUPTURING SECTION AND HAVING RAISED PANELS EXTENDING LATERALLY FROM THE TAB OPENING DEVICE BASE AND SPANNING THE SCORE LINE AND EXTENDING LONGITUDINALLY AT LEAST TO THE FORWARD TERMINAL END OF SAID SEVERING MEMBER AND THE OTHER END HAVING A PARTIALLY CUT-AWAY LIFTING MEMBER EXTENDING LONGITUDINALLY ON EACH SIDE OF AND PAST THE POINT OF TAB ATTACHEMENT, SAID TAB OPENING DEVICE BEING ATTACHED TWO THE TEAR-OUT PANEL SO THAT THE SEVERING MEMBER OF THE TAB OPENING DEVICE OVERLIES THE RUPTURING SECTION OF THE TEAR-OUT PANEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |