US2429905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant composition
Assignee: Sunoco Inc
•
Filing: 1943-09-10
•
Granted: 1947-10-28
•
Expires: 1963-09-10
Abstract
No abstract record available.
Inventors
- 👤 Wright Wortley Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:21
CPC Classifications
C; C10; C10M; C10M129/00; C10M129/02; C10M129/04; C10M129/10; C10M129/14; C10M2207/00; C10M2207/02; C10M2207/023; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |