US2493213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-10-31
•
Granted: 1950-01-03
•
Expires: 1965-10-31
Abstract
No abstract record available.
Inventors
- 👤 Mario S Altamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:44
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/28; C10M2211/00; C10M2215/00; C10M2215/02; C10M2219/00; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/08; C10M2227/00; C10M2227/08; C10M2227/082; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1857761A
Cited
US2236910A
Cited
US2288288A
Cited
US2257750A
Cited
US2367470A
Cited
US2261888A
Cited
US2290413A
Cited
US2363510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |