Patent US2404424A successfully refreshed from Google Patents.
US2404424A
Expired / Lapsed
US
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Machine for coiling metal stock
Assignee: Individual
•
Filing: 1944-07-06
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Granted: 1946-07-23
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Expires: 1964-07-06
Abstract
No abstract record available.
Inventors
- 👤 Sr John Balla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:18
CPC Classifications
B; B21; B21F; B21F11/00; B21F23/00; B21F3/00; B21F3/02; B21F3/06; Y; Y10; Y10S; Y10S83/00; Y10S83/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |