US2970351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for casting metal ingots
Assignee: Jones and Laughlin Steel Corp
•
Filing: 1955-11-18
•
Granted: 1961-02-07
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Rice Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:04
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/18; B; B08; B08B; B08B15/00; B08B15/002; B08B15/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US349097A
Cited
US1193670A
Cited
US1401928A
Cited
US1183397A
Cited
US1903329A
Cited
US2197259A
Cited
US2250913A
Cited
GB537204A
Cited
FR1044751A
Cited
US2702505A
Cited
US2627220A
Cited
US2693749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |