US2474237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of tertiary alkyl sulfenamides
Assignee: Standard Oil Development Co
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Filing: 1945-11-21
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Granted: 1949-06-28
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Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Eby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/43; C08K5/44; A; A01; A01N; A01N57/00; A01N57/02; A01N57/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406; C10L1/2443; C10L1/2456; C10M; C10M2219/00; C10M2219/06; C10M2219/09; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 0
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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) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |