US2769478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming wire into a helix
Assignee: Fanner Manufacturing Co
•
Filing: 1951-08-10
•
Granted: 1956-11-06
•
Expires: 1971-08-10
Abstract
No abstract record available.
Inventors
- 👤 Edward H Schane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:26
CPC Classifications
B; B21; B21F; B21F11/00; B21F3/00; B21F3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |