US2867182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of burning granular low volatile fuels
Assignee: Combustion Engineering Inc
•
Filing: 1954-04-26
•
Granted: 1959-01-06
•
Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 Crites Joe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:51
CPC Classifications
F; F23; F23K; F23K1/00; F23K2201/00; F23K2201/10; F23K2201/1006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628609A
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US2046767A
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US2263433A
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US2343895A
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US2335188A
Cited
US2550390A
Cited
US2391860A
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US2493960A
Cited
US2748754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |