Patent US3526352A successfully refreshed from Google Patents.
US3526352A
Expired / Lapsed
US
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Polygonal carton with snap-action self-locking end closure
Assignee: Stone Container Corp
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Filing: 1968-11-13
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Granted: 1970-09-01
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Expires: 1988-11-13
Abstract
No abstract record available.
Inventors
- 👤 Duncan F Swett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:32
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1587038A
Cited
US2044103A
Cited
US2875943A
Cited
US2858968A
Cited
US2926777A
Cited
US3237840A
Cited
US3339821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |