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US2679680A
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Wire-coursing die
Assignee: Allegheny Ludlum Steel Corp
•
Filing: 1947-02-01
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Granted: 1954-06-01
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Expires: 1967-02-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Hanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:16
CPC Classifications
B; B21; B21C; B21C43/00; B21C43/02; B21C3/00; B21C3/02; B23; B23D; B23D79/00; B23D79/12; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/1614
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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |