US2581575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the continuous production of water gas
Assignee: Heyden Chemical Corp
•
Filing: 1946-06-27
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Granted: 1952-01-08
•
Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Broadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:26
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/002; C10J3/02; C10J3/06; C10J3/20; C10J3/34; C10J3/40; C10J3/72; C10J3/74; C10J3/86; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0943; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0973; C10J2300/0976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN APPARATUS FOR THE CONTINUOUS PRODUCTION OF WATER GAS FROM A SOLID COMBUSTIBLE CARBONACEOUS MATERIAL, WHICH COMPRISES A PLURALITY OF CHAMBERS THROUGH WHICH PASSES A CONTINUOUS TRAVELLING GRATE, EACH OF SAID CHAMBERS COMMUNICATING WITH A STACK-GAS FLUE AND A WATER-GAS FLUE, MEANS ON EACH OF SAID CHAMBERS FOR CLOSING THE COMMUNICATION OF SAID CHAMBERS WITH EACH OF SAID TWO FLUES, MEANS FOR CHARGING THE CARBONACEOUS MATERIAL TO THE TRAVELLING GRATE AS A SUBSTANTIALLY UNIFORM LAYER THEREON, MEANS FOR IGNITING THE CARBONACEOUS MATERIAL ON THE TRAVELLING GRATE AND MEANS IN EACH OF THE CHAMBERS FOR BLASTING FLUIDS THROUGH THE LAYER OF CARBONACEOUS MATERIAL WHILE IT PROGRESSIVELY PASSES THROUGH SAID CHAMBER ON THE TRAVELLING GRATE.
Claim 2
Independent Claim
113 words
AN APPARATUS FOR THE CONTINUOUS PRODUCTION OF WATER GAS FROM A SOLID COMBUSTIBLE CARBONACEOUS MATERIAL, WHICH COMPRISES A PLURALITY OF CHAMBERS THROUGH WHICH PASSES A CONTINUOUS TRAVELLING GRATE, EACH OF SAID CHAMBERS COMMUNICATING WITH A STACK-GAS FLUE AND A WATER-GAS FLUE, MEANS ON EACH OF SAID CHAMBERS FOR CLOSING THE COMMUNICATION OF SAID CHAMBERS WITH EACH OF SAID TWO FLUES, MEANS FOR CHARGING THE CARBONACEOUS MATERIAL TO THE TRAVELLING GRATE AS A SUBSTANTIALLY UNIFORM LAYER THEREON, MEANS FOR IGNITING THE CARBONACEOUS MATERIAL ON THE TRAVELLING GRATE AND MEANS IN EACH OF THE CHAMBERS FOR BLASTING FLUIDS THROUGH THE LAYER OF CARBONACEOUS MATERIAL WHILE IT PROGRESSIVELY PASSES THROUGH SAID CHAMBER ON THE TRAVELLING GRATE.
References Cited (Backward Citations)
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Cited
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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) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |