Patent US2501852A successfully refreshed from Google Patents.
US2501852A
Expired / Lapsed
US
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Means for effecting hermetic closures in cartons and containers
Assignee: Gardner Board and Carton Co
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Filing: 1944-05-08
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Granted: 1950-03-28
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Expires: 1964-05-08
Abstract
No abstract record available.
Inventors
- 👤 William A Ringler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:52
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1394590A
Cited
US1847834A
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US1932197A
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US1946554A
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US2322654A
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US2206406A
Cited
US2324757A
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US2350312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |