Patent US2461365A successfully refreshed from Google Patents.
US2461365A
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Production of shaped and carbonized articles from coal
Assignee: CD Patents Ltd
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Filing: 1945-10-17
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Granted: 1949-02-08
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Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Bennett John Godolphin
- 👤 Foster David Blythe
- 👤 Greaves Charles Desmond
- 👤 Phillpotts George Cordery
- 👤 Pirani Marcello
- 👤 Kramers William Julianus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:49
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C01; C01B; C01B32/00; C01B32/05; C04B35/522
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) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |