US2426485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing marine oils
Assignee: Nopco Chemical Co
•
Filing: 1944-03-27
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Granted: 1947-08-26
•
Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Loran O Buxton
- 👤 Charles E Dryden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0085; A; A23; A23B; A23B20/00; A23B20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1909069A
Cited
US2044800A
Cited
US2126268A
Cited
US2156985A
Cited
US2303740A
Cited
US2394968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |