US2796808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vortex separators
Assignee: Vickerys Ltd
•
Filing: 1955-11-04
•
Granted: 1957-06-25
•
Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Scott Harold Eric Baliol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/02; B01; B01D; B01D21/00; B01D21/26; B01D21/267; D; D21; D21D; D21D5/00; D21D5/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US762867A
Cited
US2187646A
Cited
US2102525A
Cited
US2375826A
Cited
US2346005A
Cited
US2364799A
Cited
US2377721A
Cited
FR1039869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |