US2662693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter for coil winding machines
Assignee: AT&T Inc
•
Filing: 1951-05-19
•
Granted: 1953-12-15
•
Expires: 1971-05-19
Abstract
No abstract record available.
Inventors
- 👤 Sivo Walter
- 👤 Henry S Walendzik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:32
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2367958A
Cited
US1868290A
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US1967732A
Cited
US2098872A
Cited
US2337813A
Cited
US2367489A
Cited
US2427079A
Cited
US2486117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |