US2534792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction furnace and recovery units
Assignee: Mathieson Chemical Corp
•
Filing: 1945-01-25
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Granted: 1950-12-19
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Expires: 1965-01-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Nevins
- 👤 Jr James S Gilliam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:57
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/0404; C01B17/046; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
APPARATUS FOR PRODUCING ELEMENTAL SULFUR FROM SULFIDE-CONTAINING GASES WHICH COMPRISES A REACTION FURNACE HAVING AN ENCLOSED REFRACTORY LINED CHAMBER WITH AN OUTLET OPENING IN ONE WALL THEREOF, AN INLET CONDUIT OF REFRACTORY MATERIAL HAVING AN ENTRY ON THE EXTERIOR OF SAID FURNACE AND EXTENDING INTO SAID CHAMBER IN TWO REACHES, THE OUTLET REACH OF SAID CONDUIT BEING AT SUBSTANTIALLY RIGHT ANGLES TO THE INLET REACH AND SUBSTANTIALLY PERPENDICULAR TO THE WALL IN WHICH THE OUTLET OPENING OF THE FURNACE IS LOCATED SO THAT THE OUTLET OPENING OF THE CONDUIT IN SAID CHAMBER IS DIRECTED IN THE OPPOSITE DIRECTION FROM THE OUTLET OPENING OF SAID CHAMBER, BAFFLING ELEMENTS IN SAID FURNACE BETWEEN THE
Claim 2
Dependent Claim
112 words
APPARATUS FOR PRODUCING ELEMENTAL SULFUR FROM SULFIDE-CONTAINING GASES WHICH COMPRISES A REACTION FURNACE HAVING AN ENCLOSED REFRACTORY LINED CHAMBER WITH AN OUTLET OPENING IN ONE WALL THEREOF, AN INLET CONDUIT OF REFRACTORY MATERIAL HAVING AN ENTRY ON THE EXTERIOR OF SAID FURNACE AND EXTENDING INTO SAID CHAMBER IN TWO REACHES, THE OUTLET REACH OF SAID CONDUIT BEING AT SUBSTANTIALLY RIGHT ANGLES TO THE INLET REACH AND SUBSTANTIALLY PERPENDICULAR TO THE WALL IN WHICH THE OUTLET OPENING OF THE FURNACE IS LOCATED SO THAT THE OUTLET OPENING OF THE CONDUIT IN SAID CHAMBER IS DIRECTED IN THE OPPOSITE DIRECTION FROM THE OUTLET OPENING OF SAID CHAMBER, BAFFLING ELEMENTS IN SAID FURNACE BETWEEN THE
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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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |