US3387574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for pneumatically transporting high-moisture fuels such as bagasse and bark and an included furnace for drying and burning those fuels in suspension under high turbulence
Assignee: Combustion Engineering Inc
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Filing: 1966-11-14
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Granted: 1968-06-11
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44; F23G5/442; F23G5/444; B; B65; B65G; B65G53/00; B65G53/04; B65G53/06; F23C; F23C5/00; F23C5/08; F23C5/32; F23G7/00; F23G7/10; F23K; F23K3/00; F23K3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1282106A
Cited
GB495720A
Cited
US2271157A
Cited
US2483728A
Cited
US2796198A
Cited
US3224419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |