US2832678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-producers
Assignee: Beazer East Inc
•
Filing: 1954-05-21
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Granted: 1958-04-29
•
Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Paul Van Ackeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:29
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/30; C10J3/72; C10J3/74; C10J3/76; C10J3/82; C10J3/84; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A GAS PRODUCER COMPRISING A SHAFT FOR THE FUEL TO BE GASIFIED, THE INNER, FACE OF AT LEAST THE FUEL GASIFICATION ZONE OF THE SHAFT BEING CONSTITUTED OF AN ANNULUS SERIES OF GENERALLY VERTICAL WATER TUBES WITH THE WATER TUBES UNPROTECTED FROM SURFACE CONTACT WITH FUEL AND GAS IN THE GASIFICTION ZONE, SAID WATER TUBES BEING CONNECTED EACH AT THEIR UPPER AND LOWER ENDS WITH ANNULAR WATER HEATERRS PROVIDED WITH MEANS FOR SUPPLY AND WITHDRAWAL OF A COOLING LIQUID OF THE TUBES, AN ANNULAR SERIES OF GENERALLY VERTICAL GAS OFF-FLOW PIPES WITH THE PIPES RESPECTIVELY DISPOSED ONE INSIDE EACH OF THE WATER TUBES AXIALLY THEREALONG AND SPACED FROM THE WATER TUBE BY AN ANNULAR WATER SPACE, SAID GAS OFF-FLOW PIPES OF THE ANNULAR SERIES THEREOF BEING CONNECTED WITH THE TOP OF THE INTERIOR OF THE GASIFYING SHAFT AT A LEVEL ABOVE THE UPPER WATER HEADER TO RECEIVE HOT GAS THEREFROM AND BEING CONNECTED WITH A FINAL GAS OUTLET FOR EXHAUST OF COOLED HOT GAS FROM THE GAS OFF-FLOW PIPES.
Claim 2
Dependent Claim
169 words
A GAS PRODUCER COMPRISING A SHAFT FOR THE FUEL TO BE GASIFIED, THE INNER, FACE OF AT LEAST THE FUEL GASIFICATION ZONE OF THE SHAFT BEING CONSTITUTED OF AN ANNULUS SERIES OF GENERALLY VERTICAL WATER TUBES WITH THE WATER TUBES UNPROTECTED FROM SURFACE CONTACT WITH FUEL AND GAS IN THE GASIFICTION ZONE, SAID WATER TUBES BEING CONNECTED EACH AT THEIR UPPER AND LOWER ENDS WITH ANNULAR WATER HEATERRS PROVIDED WITH MEANS FOR SUPPLY AND WITHDRAWAL OF A COOLING LIQUID OF THE TUBES, AN ANNULAR SERIES OF GENERALLY VERTICAL GAS OFF-FLOW PIPES WITH THE PIPES RESPECTIVELY DISPOSED ONE INSIDE EACH OF THE WATER TUBES AXIALLY THEREALONG AND SPACED FROM THE WATER TUBE BY AN ANNULAR WATER SPACE, SAID GAS OFF-FLOW PIPES OF THE ANNULAR SERIES THEREOF BEING CONNECTED WITH THE TOP OF THE INTERIOR OF THE GASIFYING SHAFT AT A LEVEL ABOVE THE UPPER WATER HEADER TO RECEIVE HOT GAS THEREFROM AND BEING CONNECTED WITH A FINAL GAS OUTLET FOR EXHAUST OF COOLED HOT GAS FROM THE GAS OFF-FLOW PIPES.
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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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |