US3303798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse incinerating process and apparatus
Assignee: Signal Oil and Gas Co
•
Filing: 1964-04-22
•
Granted: 1967-02-14
•
Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Kartinen
- 👤 Fred E Akerlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:08
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/02; F23G5/027; F23G5/0276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN IMPROVED INCINERATING APPARATUS, SAID APPARATUS COMPRISING, IN COMBINATION, A GENERALLY VERTICAL HOLLOW INCINERATOR COLUMN, INCLUDING A LOWER COMBUSTION CHAMBER HAVING REFUSE RETAINING MEANS AND A PLURALITY OF FLAMELESS TREATING CHAMBERS ADAPTED TO RETAIN REFUSE FOR DRYING, DISTILLING AND CARBONIZING WITHOUT COMBUSTION, AND DISPOSED IN GENERALLY VERTICALLY STACKED RELATION ABOVE SAID COMBUSTION CHAMBER, HORIZONTALLY RETRACTABLE REFUSE HOLDING MEANS COMPRISING THE FLOOR OF EACH OF SAID TREATING CHAMBERS, MEANS FOR INTRODUCING REFUSE INTO THE UPPERMOST OF SAID TREATING CHAMBERS WHILE RESTRICTING GAS FLOW THERETO, MEANS FOR WITHDRAWING COMBUSTION GASES ONLY FROM SAID UPPERMOST OF SAID TREATING CHAMBERS, MEANS FOR MIXING SAID WITHDRAWN COMBUSTION GASES WITH A CONTROLLED CONCENTRATION OF OXYGEN-CONTAINING GAS AND FOR RETURNING THE RESULTANT MIXTURE TO SAID COMBUSTION CHAMBER BELOW SAID REFUSE RETAINING MEANS, AND MEANS FOR WITHDRAWING A CONTROLLED CONCENTRATION OF EXCESS COMBUSTION GASES FROM SAID COMBUSTION CHAMBER ABOVE SAID REFUSE RETAINING MEANS AND BELOW SAID TREATING CHAMBERS AND FOR PASSING SAID WITHDRAWN EXCESS COMBUSTION GASES FROM SAID APPARATUS.
Claim 2
Dependent Claim
161 words
AN IMPROVED INCINERATING APPARATUS, SAID APPARATUS COMPRISING, IN COMBINATION, A GENERALLY VERTICAL HOLLOW INCINERATOR COLUMN, INCLUDING A LOWER COMBUSTION CHAMBER HAVING REFUSE RETAINING MEANS AND A PLURALITY OF FLAMELESS TREATING CHAMBERS ADAPTED TO RETAIN REFUSE FOR DRYING, DISTILLING AND CARBONIZING WITHOUT COMBUSTION, AND DISPOSED IN GENERALLY VERTICALLY STACKED RELATION ABOVE SAID COMBUSTION CHAMBER, HORIZONTALLY RETRACTABLE REFUSE HOLDING MEANS COMPRISING THE FLOOR OF EACH OF SAID TREATING CHAMBERS, MEANS FOR INTRODUCING REFUSE INTO THE UPPERMOST OF SAID TREATING CHAMBERS WHILE RESTRICTING GAS FLOW THERETO, MEANS FOR WITHDRAWING COMBUSTION GASES ONLY FROM SAID UPPERMOST OF SAID TREATING CHAMBERS, MEANS FOR MIXING SAID WITHDRAWN COMBUSTION GASES WITH A CONTROLLED CONCENTRATION OF OXYGEN-CONTAINING GAS AND FOR RETURNING THE RESULTANT MIXTURE TO SAID COMBUSTION CHAMBER BELOW SAID REFUSE RETAINING MEANS, AND MEANS FOR WITHDRAWING A CONTROLLED CONCENTRATION OF EXCESS COMBUSTION GASES FROM SAID COMBUSTION CHAMBER ABOVE SAID REFUSE RETAINING MEANS AND BELOW SAID TREATING CHAMBERS AND FOR PASSING SAID WITHDRAWN EXCESS COMBUSTION GASES FROM SAID APPARATUS.
References Cited (Backward Citations)
US501761A
Cited
US1094503A
Cited
US1691462A
Cited
US1759042A
Cited
US1776914A
Cited
US2811937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |