US2518055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making centrifugal castings
Assignee: Hastings Manufacturing Co
•
Filing: 1946-09-13
•
Granted: 1950-08-08
•
Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Olsen
- 👤 Rudolph F Flora
- 👤 Clifford J Lonnee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:22
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/10; B22D13/101; B22D13/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US359483A
Cited
US652756A
Cited
US661143A
Cited
US665865A
Cited
CA177519A
Cited
US1320910A
Cited
GB174258A
Cited
US1550126A
Cited
US1699848A
Cited
US1785941A
Cited
AU1643528A
Cited
US2023957A
Cited
US2130726A
Cited
US2093286A
Cited
US2266831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |