Patent US3226212A successfully refreshed from Google Patents.
US3226212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of combustible gases from solid carbonaceous materials
Assignee: McDowell-Wellman Engineering Co
•
Filing: 1962-01-02
•
Granted: 1965-12-28
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Ban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:33
CPC Classifications
C; C10; C10B; C10B49/00; C10B49/02; C10B49/04; C10J; C10J3/00; C10J3/002; C10J3/02; C10J3/06; C10J3/20; C10J3/34; C10J3/36; C10J3/72; C10J3/82; C10J3/84; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/094; C10J2300/0943; C10J2300/0953; C10J2300/0956; C10J2300/0973; C10J2300/0976; C10J2300/18; C10J2300/1807; C10J2300/1823
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A SYSTEM FOR FORMING AND RECOVERING A GAS RICH IN CARBON MONOXIDE, AND HYDROGEN, AND RESIDUAL SOLIDS FROM A SOLID GRANULAR CARBONACEOUS FUEL WHICH COMPRISES: (A) A PLURALITY OF ALIGNED PALLETS MOUNTED ON AN ELONGATED HORIZONTALLY DISPOSED ENDLESS CONVEYOR; (B) MEANS AT ONE EXTREMITY OF SAID CONVEYOR FOR DISTRIBUTING SAID GRANULAR FUEL TO SUBSTANTIALLY UNIFORM DEPTH TO FORM A FUEL BURDEN ON SAID PALLETS; (C) MEANS, ABOVE SAID FUEL BURDEN ON SAID PALLETS AND ADJACENT TO SAID MEANS FOR DISTRIBUTING, FOR IGNITING SAID FUEL BURDEN; (D) SEPARATE MEANS INCLUDING A HOOD IN JUXTAPOSED RELATION TO SAID ALIGNED PALLETS ON SAID CONVEYOR AND INCLUDING MEANS FOR SUPPLYING AIR IN COMBINATION WITH STEAM TO SAID IGNITED FUEL BURDEN;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |