US2476405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil conditioner
Assignee: Motors Liquidation Co
•
Filing: 1942-11-27
•
Granted: 1949-07-19
•
Expires: 1962-11-27
Abstract
No abstract record available.
Inventors
- 👤 Richard M Dilworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:12
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/18; B01D24/00; B01D24/02; B01D24/10; B01D27/00; B01D27/02; B01D29/00; B01D29/88
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) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |