Patent US2474620A successfully refreshed from Google Patents.
US2474620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coiling machine controller
Assignee: Cutler Hammer Inc
•
Filing: 1947-04-12
•
Granted: 1949-06-28
•
Expires: 1967-04-12
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Fath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:27
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/003; B65; B65H; B65H59/00; B65H59/38; G; G05; G05D; G05D15/00; G05D15/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |