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Patent US2067972A successfully refreshed from Google Patents.
US2067972A
Expired / Lapsed
US
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Wire straightening machine
Assignee: Individual
•
Filing: 1930-06-18
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Granted: 1937-01-19
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Expires: 1950-06-18
Abstract
No abstract record available.
Inventors
- 👤 Jacob T Leech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:00
CPC Classifications
B; B21; B21F; B21F1/00; B21F1/02; B21F1/023
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) | 1940-01-19 | 1940-07-20 | 1941-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-19 | 1944-07-20 | 1945-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-19 | 1948-07-20 | 1949-01-19 | $7700.00 | Window Closed / Lapsed |