US2430443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin oxides
Assignee: Standard Oil Co
•
Filing: 1943-12-16
•
Granted: 1947-11-11
•
Expires: 1963-12-16
Abstract
No abstract record available.
Inventors
- 👤 Sam B Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2040782A
Cited
US2178454A
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US1984380A
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US1995991A
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US2194602A
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US2309034A
Cited
US2373008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |