US2433852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation product and preparation and use thereof
Assignee: Standard Oil Development Co
•
Filing: 1942-12-23
•
Granted: 1948-01-06
•
Expires: 1962-12-23
Abstract
No abstract record available.
Inventors
- 👤 Lieber Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:54
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/12; C08G61/02; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/22; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/101; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2111126A
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US2125968A
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US2213477A
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US2273100A
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US2147547A
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US2239515A
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US2250265A
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US2198374A
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US2244886A
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US2307885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |