US2770757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangements for the protection of cables against short-circuit currents and against overloading
Assignee: Chase Shawmut Co
•
Filing: 1953-03-13
•
Granted: 1956-11-13
•
Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 William S Edsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/20; H01H85/201; H02; H02H; H02H7/00; H02H7/22; H02H7/226
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |