US2425824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing phenolic sulfides
Assignee: Standard Oil Development Co
•
Filing: 1944-12-28
•
Granted: 1947-08-19
•
Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Theodore J Peters
- 👤 James E J Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
C; C07; C07C; C07C323/00; C10; C10M; C10M135/00; C10M135/20; C10M135/28; C10M135/30; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1756817A
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US2139321A
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US2259861A
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US2270183A
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US2346826A
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US2370756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |