Patent US2430474A successfully refreshed from Google Patents.
US2430474A
Expired / Lapsed
US
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Apparatus for hot coating of metal strip and the like
Assignee: American Rolling Mill Co
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Filing: 1942-04-15
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Granted: 1947-11-11
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Expires: 1962-04-15
Abstract
No abstract record available.
Inventors
- 👤 William E Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:28
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443879A
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US784836A
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US1191526A
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US1151629A
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US1334183A
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US2054549A
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US2223355A
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US2192303A
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US2224578A
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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) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |