US2424284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixation of finely divided substances
Assignee: Acordis UK Ltd
•
Filing: 1943-12-21
•
Granted: 1947-07-22
•
Expires: 1963-12-21
Abstract
No abstract record available.
Inventors
- 👤 Olpin Henry Charles
- 👤 Gibson Sydney Alfred
- 👤 Mcknight William Cyril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:43
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1905999A
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US2219375A
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US2123152A
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US2119150A
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US2191362A
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US2350139A
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US2249069A
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GB467480A
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US2342641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |