Patent US4633423A successfully refreshed from Google Patents.
Patent US4983577A successfully refreshed from Google Patents.
Patent US2624463A successfully refreshed from Google Patents.
US2624463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-separating device
Assignee: Individual
•
Filing: 1949-06-10
•
Granted: 1953-01-06
•
Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Freese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US323532A
Cited
US597258A
Cited
US609269A
Cited
US835216A
Cited
US1028304A
Cited
US1134419A
Cited
GB165625A
Cited
US1456352A
Cited
US1856099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |