Patent US2882568A successfully refreshed from Google Patents.
US2882568A
Expired / Lapsed
US
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Lining for ingot molds
Assignee: Huntington Alloys Corp
•
Filing: 1954-10-12
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Granted: 1959-04-21
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Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Leaberry
- 👤 Harold F Hendershot
- 👤 Paul H Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1249101A
Cited
US1743932A
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US1882882A
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US2304879A
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US2378699A
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US2478165A
Cited
US2702927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |