US2595447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of vaporizing and burning sulfur
Assignee: Mathieson Chemical Corp
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Filing: 1948-11-12
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Granted: 1952-05-06
•
Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Richard T Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF VAPORIZING AND BURNING SULFUR COMPRISING BUBBLING AIR INTO AN UPPER PORTION OF A MASS OF MOLTEN SULFUR IN A VOLATILIZATION CHAMBER, CONTINUOUSLY REMOVING GASEOUS EFFLUENT COMPRISING VAPOR PHASE SULFUR AND SULFUR DIOXIDE THEREFROM, SAID AIR AIDING IN THE CARRYING OF IMPURITIES IN SAID SULFUR MASS TO THE SURFACE THEREOF, CONTINUOUSLY REMOVING A PORTION OF SAID MOLTEN SULFUR FROM THE SURFACE OF SAID SULFUR MASS, PURIFYING SAID PORTION OUT OF GASEOUS COM-
Claim 2
Independent Claim
74 words
THE METHOD OF VAPORIZING AND BURNING SULFUR COMPRISING BUBBLING AIR INTO AN UPPER PORTION OF A MASS OF MOLTEN SULFUR IN A VOLATILIZATION CHAMBER, CONTINUOUSLY REMOVING GASEOUS EFFLUENT COMPRISING VAPOR PHASE SULFUR AND SULFUR DIOXIDE THEREFROM, SAID AIR AIDING IN THE CARRYING OF IMPURITIES IN SAID SULFUR MASS TO THE SURFACE THEREOF, CONTINUOUSLY REMOVING A PORTION OF SAID MOLTEN SULFUR FROM THE SURFACE OF SAID SULFUR MASS, PURIFYING SAID PORTION OUT OF GASEOUS COM-
References Cited (Backward Citations)
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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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |