US2413718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: ConocoPhillips Co
•
Filing: 1942-11-09
•
Granted: 1947-01-07
•
Expires: 1962-11-09
Abstract
No abstract record available.
Inventors
- 👤 Bert H Lincoln
- 👤 Gordon D Byrkit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/08; C10M2227/081; C10N; C10N2010/00; C10N2010/06; C10N2070/00; C10N2070/02
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) | 1950-01-06 | 1950-07-08 | 1951-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-06 | 1954-07-08 | 1955-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-06 | 1958-07-08 | 1959-01-07 | $7700.00 | Window Closed / Lapsed |