US3335899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Alcoa Corp
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Filing: 1965-04-14
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Granted: 1967-08-15
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:15
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CONTAINAR HAVING AN END WALL PROVIDED WITH SCORING WHICH DEFINES A TEAR-OUT PANEL TO BE REMOVED, INCLUDING A SHORT TEAR STRIP PORTION HAVING A STARTING END TO WHICH AN OPENING TAB IS ATTACHED, SAID TEAR STRIP PORTION BEING DEFINED BY A FIRST SCORE LINE AND A SECOND SCORE LINE WHICH MEET AT THE STARTING END OF SAID TEAR STRIP TO FORM CONTINUOUS SCORINGS, SAID SCORE LINES AS THEY EXTEND FROM SAID STARTING END BEING SUBSTANTIALLY EQUAL DISTANCES APART SO AS TO DEFINE A TEAR STRIP PORTION OF NARROW, SUBSTANTIALLY UNIFORM WIDTH, SAID FIRST SCORE LINE EXTENDING TOWARD AND THEN AROUND THE PERIPHERY OF THE END WALL, AND SAID SECOND SCORE LINE BEYOND SAID TEAR STRIP PORTION DIVERGING GRADUALLY FROM SAID FIRST SCORE LINE AND TERMINATING IN AN ACUTE INWARDLY DIRECTED ARC, WHEREBY FRACTURING AND TEARING ACROSS THE TEAR STRIP PORTION IS AVOIDED WHEN THE TEAR-OUT PANEL IS REMOVED BY EXERTING FORCE ON THE OPENING TAB.
Claim 2
Dependent Claim
156 words
A CONTAINAR HAVING AN END WALL PROVIDED WITH SCORING WHICH DEFINES A TEAR-OUT PANEL TO BE REMOVED, INCLUDING A SHORT TEAR STRIP PORTION HAVING A STARTING END TO WHICH AN OPENING TAB IS ATTACHED, SAID TEAR STRIP PORTION BEING DEFINED BY A FIRST SCORE LINE AND A SECOND SCORE LINE WHICH MEET AT THE STARTING END OF SAID TEAR STRIP TO FORM CONTINUOUS SCORINGS, SAID SCORE LINES AS THEY EXTEND FROM SAID STARTING END BEING SUBSTANTIALLY EQUAL DISTANCES APART SO AS TO DEFINE A TEAR STRIP PORTION OF NARROW, SUBSTANTIALLY UNIFORM WIDTH, SAID FIRST SCORE LINE EXTENDING TOWARD AND THEN AROUND THE PERIPHERY OF THE END WALL, AND SAID SECOND SCORE LINE BEYOND SAID TEAR STRIP PORTION DIVERGING GRADUALLY FROM SAID FIRST SCORE LINE AND TERMINATING IN AN ACUTE INWARDLY DIRECTED ARC, WHEREBY FRACTURING AND TEARING ACROSS THE TEAR STRIP PORTION IS AVOIDED WHEN THE TEAR-OUT PANEL IS REMOVED BY EXERTING FORCE ON THE OPENING TAB.
References Cited (Backward Citations)
US3225957A
Cited
US3251503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |