US995402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating water from oils.
Assignee: American Oil Pump & Tank Co
•
Filing: 1910-04-23
•
Granted: 1911-06-13
•
Expires: 1930-04-23
Abstract
No abstract record available.
Inventors
- 👤 John B Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-06-12 | 1914-12-12 | 1915-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-12 | 1918-12-12 | 1919-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-12 | 1922-12-12 | 1923-06-13 | $7700.00 | Window Closed / Lapsed |