Patent US2600442A successfully refreshed from Google Patents.
US2600442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for changing the relative lengths of the intermediate and edge portions of metal strips
Assignee: Acme Steel Co
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Filing: 1946-07-25
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Granted: 1952-06-17
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Expires: 1966-07-25
Abstract
No abstract record available.
Inventors
- 👤 Stanius Godfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:31
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/74
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |