US2507388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal casting machine
Assignee: Individual
•
Filing: 1946-06-01
•
Granted: 1950-05-09
•
Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 John A Toleik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:30
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US427708A
Cited
US1024755A
Cited
US1302838A
Cited
US1570658A
Cited
US1583576A
Cited
US1538576A
Cited
US1691464A
Cited
US1817012A
Cited
US1908740A
Cited
US1853344A
Cited
US1882516A
Cited
US1983146A
Cited
US2036401A
Cited
US2172798A
Cited
US2193537A
Cited
US2270822A
Cited
US2267010A
Cited
US2370953A
Cited
US2415620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |