US2855644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ingot mold mat and method of forming the same
Assignee: Individual
•
Filing: 1954-10-22
•
Granted: 1958-10-14
•
Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harrison D Sterick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA477967A
Cited
US1841628A
Cited
US2358654A
Cited
US2453643A
Cited
US2540242A
Cited
FR1010790A
Cited
US2743493A
Cited
US2763043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |