US2420233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aluminum salts of organic acids
Assignee: A Boake Roberts and Co Ltd
•
Filing: 1944-08-31
•
Granted: 1947-05-06
•
Expires: 1964-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edwards Lawrence John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:04
CPC Classifications
C; C10; C10M; C10M5/00; C07; C07C; C07C51/00; C07C51/41; C07C51/412; C10M2207/00; C10M2207/02; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2209/00; C10M2209/12; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10N; C10N2010/00; C10N2010/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1259708A
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US1752580A
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US2015865A
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US2015864A
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US2081835A
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US2369992A
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US2382532A
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US2382533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |