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Patent US2830749A successfully refreshed from Google Patents.
US2830749A
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Partition structure for containers
Assignee: Stone Container Corp
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Filing: 1956-07-26
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Granted: 1958-04-15
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Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Lauritzen Herman Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:38
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/48; B65D5/48024; B65D5/48026; B65D5/48028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US782544A
Cited
US1216094A
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US1542024A
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US2140001A
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US2308177A
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US2593092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |