US2567058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sequentially degassing and combusting solid fuel having a low sintering temperature
Assignee: Individual
•
Filing: 1945-03-08
•
Granted: 1951-09-04
•
Expires: 1965-03-08
Abstract
No abstract record available.
Inventors
- 👤 Dalin David
- 👤 Gejrot Claes Joel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
F; F23; F23B; F23B30/00; F23B30/02; F23B50/00; F23B50/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US307599A
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US387393A
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US479405A
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US742359A
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US1050632A
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US1482665A
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US1846647A
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US1700560A
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US1780653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |