Patent US2869640A successfully refreshed from Google Patents.
US2869640A
Expired / Lapsed
US
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Travelling wire coil cutter
Assignee: Individual
•
Filing: 1954-04-05
•
Granted: 1959-01-20
•
Expires: 1974-04-05
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Platt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:24
CPC Classifications
B; B21; B21F; B21F35/00; B21F11/00; B21F11/005; H; H05; H05B; H05B3/00; Y; Y10; Y10S; Y10S83/00; Y10S83/907; Y10T; Y10T83/00; Y10T83/343; Y10T83/465; Y10T83/4749; Y10T83/4751; Y10T83/869; Y10T83/8735; Y10T83/8765; Y10T83/8768
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |