Patent US2565902A successfully refreshed from Google Patents.
US2565902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centkifugal tuyere
Assignee: —
•
Filing: —
•
Granted: 1951-08-28
•
Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:42
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B04; B04B; B04B5/00; B04B5/02; B04C; B04C3/00; B04C3/06; B04C5/00; B04C5/08; B04C5/103; B04C5/12; B04C5/13; B04C2003/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49329
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) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |