US2428523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and method of coating metal strip at high speeds
Assignee: American Rolling Mill Co
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Filing: 1942-04-21
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Granted: 1947-10-07
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Expires: 1962-04-21
Abstract
No abstract record available.
Inventors
- 👤 William E Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:47
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/003; C23C2/0034; C23C2/00342; C23C2/00344; C23C2/0035; C23C2/0038; C23C2/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191229801A
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US2156331A
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GB496402A
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US2223355A
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US2310162A
Cited
US2309585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |