US2244416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil
Assignee: Texaco Inc
•
Filing: 1938-12-07
•
Granted: 1941-06-03
•
Expires: 1958-12-07
Abstract
No abstract record available.
Inventors
- 👤 Harry V Ashburn
- 👤 William G Alsop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/08; C10M2207/00; C10M2207/02; C10M2207/021; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2223/00; C10M2223/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-06-02 | 1944-12-02 | 1945-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-02 | 1948-12-02 | 1949-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-02 | 1952-12-02 | 1953-06-03 | $7700.00 | Window Closed / Lapsed |