US3315837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening end
Assignee: Continental Can Co Inc
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Filing: 1964-11-25
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Granted: 1967-04-25
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Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 Arnold R Boik
- 👤 Frederick J Stec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:57
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012; B65D17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A CAN END PARTICULARLY ADAPTED FOR USE WITH PRODUCTS PACKAGED UNDER GASEOUS PRESSURE, SAID CAN END COMPRISING AN END PANEL HAVING SCORE LINES DEFINING A REMOVABLE TEAR STRIP, SAID TEAR STRIP HAVING A STARTING END PORTION TO WHICH PULL MEANS ARE ATTACHED, AND SAID END PANEL HAVING THE APPEARANCE OF HAVING BEEN RESHAPED ADJACENT SAID PULL MEANS WITH PORTIONS OF SAID SCORE LINES HAVING THE APPEARANCE OF HAVING BEEN RE-FORMED TO PROVIDE FOR A GREATER RESISTANCE TO TEARING OF SAID TEAR STRIP FROM SAID
Claim 2
Dependent Claim
84 words
A CAN END PARTICULARLY ADAPTED FOR USE WITH PRODUCTS PACKAGED UNDER GASEOUS PRESSURE, SAID CAN END COMPRISING AN END PANEL HAVING SCORE LINES DEFINING A REMOVABLE TEAR STRIP, SAID TEAR STRIP HAVING A STARTING END PORTION TO WHICH PULL MEANS ARE ATTACHED, AND SAID END PANEL HAVING THE APPEARANCE OF HAVING BEEN RESHAPED ADJACENT SAID PULL MEANS WITH PORTIONS OF SAID SCORE LINES HAVING THE APPEARANCE OF HAVING BEEN RE-FORMED TO PROVIDE FOR A GREATER RESISTANCE TO TEARING OF SAID TEAR STRIP FROM SAID
References Cited (Backward Citations)
US3250426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |