Patent US2767884A successfully refreshed from Google Patents.
US2767884A
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Storage and discharge container with rotatable base or wall
Assignee: BASF Schweiz AG
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Filing: 1951-10-03
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Granted: 1956-10-23
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Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Gross Gustav Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:56
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/4809; B65G65/4818; B65G65/4827; F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335152A
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US1807807A
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US673662A
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US969204A
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US1025513A
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US1992783A
Cited
GB453010A
Cited
GB524811A
Cited
US2601940A
Cited
US2581562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |