US3413103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil composition of reduced pour point
Assignee: Sinclair Research Inc
•
Filing: 1963-07-29
•
Granted: 1968-11-26
•
Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 Thomas J Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:29
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/195; C10L1/197; C10L1/1973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2687421A
Cited
US2666746A
Cited
US2857409A
Cited
US2936300A
Cited
US2996364A
Cited
US3015546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |