US2418047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of carbon disulphide from a hydrocarbon liquid
Assignee: Robinson Brothers Ltd
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Filing: 1944-09-29
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Granted: 1947-03-25
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Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Parkes Deric William
- 👤 Ford Ian Alastair Moncrieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:55
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/12; C10G21/20; C07; C07C; C07C7/00; C07C7/148; C07C7/14875
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |