US2569375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sulfur
Assignee: Monsanto Chemicals Ltd
•
Filing: 1947-07-24
•
Granted: 1951-09-25
•
Expires: 1967-07-24
Abstract
No abstract record available.
Inventors
- 👤 George H Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/0243; C01B17/0248; C01B17/0237
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD OF PRODUCING SULFUR WHICH COMPRISES INTRODUCING A STREAM OF MOLTEN SULFUR AT A TEMPERATURE ABOVE 200* C. INTO A STREAM OF AN EXPANDING GAS SUBSTANTIALLY INERT TO SULFUR, CONDENSING THE SULFUR TO A PLASTIC STATE, COLLECTING AND THEN MASTICATING THE CONDENSED SULFUR.
Claim 2
Independent Claim
44 words
THE METHOD OF PRODUCING SULFUR WHICH COMPRISES INTRODUCING A STREAM OF MOLTEN SULFUR AT A TEMPERATURE ABOVE 200* C. INTO A STREAM OF AN EXPANDING GAS SUBSTANTIALLY INERT TO SULFUR, CONDENSING THE SULFUR TO A PLASTIC STATE, COLLECTING AND THEN MASTICATING THE CONDENSED SULFUR.
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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |