US2311342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulphur removal from hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1941-03-15
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Granted: 1943-02-16
•
Expires: 1961-03-15
Abstract
No abstract record available.
Inventors
- 👤 William J Kerns
- 👤 Clayton M Beamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/485; C; C07; C07C; C07C273/00; C07C273/18; C07C273/1809; C07C7/00; C07C7/148; C07C7/14875; C07C7/14891; C10; C10G; C10G19/00; C10G29/00; C10G29/20; B01D2252/00; B01D2252/20; B01D2252/204; B01D2252/20405; B01D2252/20478; B01D2252/20484; B01D2257/00; B01D2257/30; B01D2257/308; B01D53/14; B01D53/1487
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |