Patent US1860819A successfully refreshed from Google Patents.
US1860819A
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US
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Apparatus for separating oil from water
Assignee: Individual
•
Filing: 1929-07-15
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Granted: 1932-05-31
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Expires: 1949-07-15
Abstract
No abstract record available.
Inventors
- 👤 Schamberger Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:25
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/103; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 0
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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) | 1935-05-31 | 1935-11-30 | 1936-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-31 | 1939-11-30 | 1940-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-31 | 1943-11-30 | 1944-05-31 | $7700.00 | Window Closed / Lapsed |