USRE27518E
Expired / Lapsed
US
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Assignee: —
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Filing: 1971-02-24
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Granted: 1972-10-31
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Expires: 1991-02-24
Abstract
Abstract THERE IS DESCRIBED HEREIN AN EASY-OPENING CONTAINER WALL HAVING A WALL REGION FORMED BY A RUPTURABLE SCORE LINE AND A BENDABLE SCORE LINE. A TAB IS SECURED TO THE CONTAINER WALL OUTSIDE OF THE WALL REGION AND HAS A RUPTURING PORTION THAT OVERLIES A PORTION OF THE WALL REGION. UPON LIFTING THE TAB, THE RUPTURING PORTION ENGAGES THE WALL REGION AND FORCES THE LATTER INWARDLY TO THEREBY RUPTURE THE RUPTURABLE SCORE LINE AND CAUSE THE WALL REGION TO BE BENT INWARDLY INTO THE INTERIOR OF THE CONTAINER ABOUT THE BEND LINE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:28
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |