US3501677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current limiting static alternating current circuit breaker
Assignee: General Electric Co
•
Filing: 1967-07-20
•
Granted: 1970-03-17
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Hurtle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:36
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1859985A
Cited
US2414531A
Cited
US2558219A
Cited
US2607029A
Cited
US3117203A
Cited
US3132287A
Cited
US3307042A
Cited
US3158786A
Cited
US3392284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |