Patent US2800519A successfully refreshed from Google Patents.
US2800519A
Expired / Lapsed
US
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Method and apparatus for forming ingots
Assignee: Republic Steel Corp
•
Filing: 1953-11-12
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Granted: 1957-07-23
•
Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Garmy Robert James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:27
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |