Patent US2673451A successfully refreshed from Google Patents.
US2673451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating suspended material from a fluid stream
Assignee: Neyrpic SA
•
Filing: 1951-11-07
•
Granted: 1954-03-30
•
Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 Gariel Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:17
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/02; E02B3/023; B; B01; B01D; B01D21/00; B01D21/0039; B01D21/0045; B01D21/0063; B01D21/0069; B01D21/0075; B01D21/24; B01D21/2427; B01D21/245; B01D21/2455; B01D21/0051
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |