Patent US5379752A successfully refreshed from Google Patents.
Patent US2570748A successfully refreshed from Google Patents.
US2570748A
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Wire drawing apparatus
Assignee: Armco Inc
•
Filing: 1945-07-09
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Granted: 1951-10-09
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Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Bain Fillmore Franklin
- 👤 Broun Olney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:59
CPC Classifications
B; B21; B21C; B21C37/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |