US2433853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfurized oils
Assignee: Lubrizol Development Corp
•
Filing: 1944-11-23
•
Granted: 1948-01-06
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Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 Bert H Lincoln
- 👤 Waldo L Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:38
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/12; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2124598A
Cited
US2179062A
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US2217764A
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US2153496A
Cited
US2186646A
Cited
US2357211A
Cited
US2318013A
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 |