Patent US2424023A successfully refreshed from Google Patents.
Patent US2481257A successfully refreshed from Google Patents.
US2481257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Standard Oil Development Co
•
Filing: 1946-03-08
•
Granted: 1949-09-06
•
Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Miller W Swaney
- 👤 George E Serniuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/20; C10; C10M; C10M143/00; C10M143/10; C10M143/12; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C10M145/16; C10M149/00; C10M149/02; C10M149/10; C10M2205/00; C10M2205/04; C10M2205/06; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2217/00; C10M2217/02; C10M2217/028; C10M2221/00; C10M2221/04; C10M2221/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |