Patent US2608300A successfully refreshed from Google Patents.
US2608300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating liquid-liquid separator
Assignee: Standard Oil Development Co
•
Filing: 1948-07-03
•
Granted: 1952-08-26
•
Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 William O Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:31
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0214; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US22757A
Cited
US289877A
Cited
US418984A
Cited
US513474A
Cited
US538461A
Cited
US1450545A
Cited
US2330508A
Cited
US2356469A
Cited
US2497177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |