US3158279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reseal plug for cans
Assignee: Individual
•
Filing: 1963-08-12
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Granted: 1964-11-24
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Louis G Callegari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:22
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/007; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0833; Y10T292/0848; Y10T292/0849; Y10T292/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A SEALING DEVICE FOR A DIAMETRAL OPENING IN A CIRCULAR END OF A CAN, SAID OPENING HAVING A KEYHOLE-SHAPE WITH ROUNDED OPPOSITE ENDS, SAID CAN HAVING AN ANNULAR BEAD AT THE PERIPHERY OF THE CAN END WITH ONE END OF SAID OPENING LOCATED NEAR SAID BEAD, COMPRISING A PLATE HAVING A CURVED END CONFORMING IN CURVATURE TO THE BEAD OF THE CAN, A RESILIENT PAD ATTACHED TO ONE SIDE OF THE PLATE FOR ENTERING AND SEALING SAID OPENING, SAID PLATE AND PAD BEING LONGER AND WIDER THAN SAID OPENING FOR COMPLETELY CLOSING THE SAME, AND A PAIR OF BLADES PIVOTABLY SUPPORTED BY SAID PLATE AND PAD AND EXTENDING THERETHROUGH IN PARALLEL DISPOSITION NEAR OPPOSITE ENDS OF THE PLATE AND PAD, EACH OF SAID BLADES HAVING AT LEAST ONE NOTCH IN AN OUTER EDGE THEREOF FACING TOWARD AN ADJACENT END OF THE PLATE AND PAD FOR ENGAGING ONE OF THE ENDS OF THE CAN OPENING, SAID PLATE BEING FORMED OF A RESILIENT MATERIAL SLIGHTLY LESS FLEXIBLE THAN THE PAD ATTACHED TO THE PLATE TO SERVE AS A REINFORCEMENT AND SUPPORT FOR THE PAD AND A YIELDING SUPPORT FOR THE PIVOTABLE BLADES, WHEREBY SAID BLADES CAN BE PIVOTED OUTWARDLY OF SAID OPENING AT UPPER ENDS OF THE BLADES TO DISENGAGE THE NOTCHES OF THE BLADES FROM THE ENDS OF SAID OPENING.
Claim 2
Dependent Claim
219 words
A SEALING DEVICE FOR A DIAMETRAL OPENING IN A CIRCULAR END OF A CAN, SAID OPENING HAVING A KEYHOLE-SHAPE WITH ROUNDED OPPOSITE ENDS, SAID CAN HAVING AN ANNULAR BEAD AT THE PERIPHERY OF THE CAN END WITH ONE END OF SAID OPENING LOCATED NEAR SAID BEAD, COMPRISING A PLATE HAVING A CURVED END CONFORMING IN CURVATURE TO THE BEAD OF THE CAN, A RESILIENT PAD ATTACHED TO ONE SIDE OF THE PLATE FOR ENTERING AND SEALING SAID OPENING, SAID PLATE AND PAD BEING LONGER AND WIDER THAN SAID OPENING FOR COMPLETELY CLOSING THE SAME, AND A PAIR OF BLADES PIVOTABLY SUPPORTED BY SAID PLATE AND PAD AND EXTENDING THERETHROUGH IN PARALLEL DISPOSITION NEAR OPPOSITE ENDS OF THE PLATE AND PAD, EACH OF SAID BLADES HAVING AT LEAST ONE NOTCH IN AN OUTER EDGE THEREOF FACING TOWARD AN ADJACENT END OF THE PLATE AND PAD FOR ENGAGING ONE OF THE ENDS OF THE CAN OPENING, SAID PLATE BEING FORMED OF A RESILIENT MATERIAL SLIGHTLY LESS FLEXIBLE THAN THE PAD ATTACHED TO THE PLATE TO SERVE AS A REINFORCEMENT AND SUPPORT FOR THE PAD AND A YIELDING SUPPORT FOR THE PIVOTABLE BLADES, WHEREBY SAID BLADES CAN BE PIVOTED OUTWARDLY OF SAID OPENING AT UPPER ENDS OF THE BLADES TO DISENGAGE THE NOTCHES OF THE BLADES FROM THE ENDS OF SAID OPENING.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |