US2736737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate partial ester-aldehyde condensation product and lubricant containing the same
Assignee: Texaco Inc
•
Filing: 1950-08-22
•
Granted: 1956-02-28
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 John R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:07
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/093; C07F9/141; C07F9/1411; C07F9/16; C07F9/165; C07F9/1651; C07F9/1652; C07F9/201; C07F9/2015; C10M2207/00; C10M2207/40; C10M2207/404; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/047; C10M2225/00; C10M2225/02; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2266514A
Cited
US2343831A
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US2382622A
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US2443264A
Cited
US2436141A
Cited
US2531129A
Cited
US2565920A
Cited
US2586655A
Cited
US2589675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |