US2422247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants, etc., containing waxy hydrocarbons and a ketone-aromatic condensation product as wax modifier
Assignee: Standard Oil Development Co
•
Filing: 1940-12-27
•
Granted: 1947-06-17
•
Expires: 1960-12-27
Abstract
No abstract record available.
Inventors
- 👤 Lieber Eugene
- 👤 Aloysius F Cashman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G73/00; C10G73/02; C10G73/04; C10M2205/00; C10M2207/00; C10M2207/08; C10M2209/00; C10M2209/02; C10M2209/10; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1714378A
Cited
US2033546A
Cited
US2147547A
Cited
US2174246A
Cited
US2238638A
Cited
US2225671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |