US3416591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for effecting the continuous rotary casting of hollow steel blanks
Assignee: CIVILE DITE SOCIETE CIVILE D'ETUDES DE CENTRIFUGATION Ste
•
Filing: 1966-11-29
•
Granted: 1968-12-17
•
Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Louis Babel
- 👤 Pierre Peytavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:56
CPC Classifications
B; B22; B22D; B22D13/00; B22D11/00; B22D11/006; B22D11/14; B22D11/144
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |