Patent US2643662A successfully refreshed from Google Patents.
US2643662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container having a movable bottom
Assignee: Individual
•
Filing: 1948-04-09
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Granted: 1953-06-30
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Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 John P Bunce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:21
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/76; B65D83/768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325246A
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US832818A
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US1678528A
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US1932097A
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DE557379C
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US2464730A
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US2410628A
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US2517318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |