US2949010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous method of burning highly hydrous organic materials
Assignee: Stora Enso Oyj
•
Filing: 1955-03-24
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Granted: 1960-08-16
•
Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Cederquist Karl Nicolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:50
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/02; F22B1/16; C; C10; C10F; C10F7/00; F22G; F22G1/00; F22G1/16; F23; F23B; F23B7/00; F23B2700/00; F23B2700/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A METHOD FOR PRODUCING FUEL AND POWER FROM AN AQUEOUS SUSPENSION OF A PEAT MATERIAL WHICH COMPRISES, SUPPLYING SAID QUEOUS SUSPENSION TO A COMBUSTION ZONE MAINTAINED UNDER SUPERATMOSPHERIC PRESSURE, SUPPLYING AN OXYGEN-CONTAINING GAS TO SAID COMBUSTION ZONE, COMBUSTING A PORTION OF SAID PEAT MATERIAL FORMING SAID SUSPENSION BY MEANS OF SAID OXYGEN-CONTAINING GAS AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 150* ABOUT 300* C. TO EVAPORATE A PORTION OF THE WATER FORMING SAID SUSPENSION, EMPLOYING THE GASEOUS COMBUSTION PRODUCTS AND VAPORIZED PORTION OF SAID WATER FOR THE PRODUCTION OF POWER, REMOVING THE HOT, UNBURNED PORTION OF SAID PEAT MATERIAL AND REMAINING WATER FROM SAID COMBUSTION ZONE TO CAUSE EVAPORATION OF SAID REMAINING WATER UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE, THE QUANTITY OF WATER EVAPORATED DURING SAID COMBUSTION PROVIDING AS SOLID FUEL
Claim 2
Independent Claim
130 words
A METHOD FOR PRODUCING FUEL AND POWER FROM AN AQUEOUS SUSPENSION OF A PEAT MATERIAL WHICH COMPRISES, SUPPLYING SAID QUEOUS SUSPENSION TO A COMBUSTION ZONE MAINTAINED UNDER SUPERATMOSPHERIC PRESSURE, SUPPLYING AN OXYGEN-CONTAINING GAS TO SAID COMBUSTION ZONE, COMBUSTING A PORTION OF SAID PEAT MATERIAL FORMING SAID SUSPENSION BY MEANS OF SAID OXYGEN-CONTAINING GAS AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 150* ABOUT 300* C. TO EVAPORATE A PORTION OF THE WATER FORMING SAID SUSPENSION, EMPLOYING THE GASEOUS COMBUSTION PRODUCTS AND VAPORIZED PORTION OF SAID WATER FOR THE PRODUCTION OF POWER, REMOVING THE HOT, UNBURNED PORTION OF SAID PEAT MATERIAL AND REMAINING WATER FROM SAID COMBUSTION ZONE TO CAUSE EVAPORATION OF SAID REMAINING WATER UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE, THE QUANTITY OF WATER EVAPORATED DURING SAID COMBUSTION PROVIDING AS SOLID FUEL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |