Patent US2358171A successfully refreshed from Google Patents.
US2358171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ingot mold
Assignee: STEEL INGOT PRODUCTION Inc
•
Filing: 1943-06-02
•
Granted: 1944-09-12
•
Expires: 1963-06-02
Abstract
No abstract record available.
Inventors
- 👤 Lindemuth Lewis Byron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:01
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-09-12 | 1948-03-13 | 1948-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-12 | 1952-03-13 | 1952-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-12 | 1956-03-13 | 1956-09-12 | $7700.00 | Window Closed / Lapsed |