US3343080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsing ground fault detector apparatus
Assignee: General Electric Co
•
Filing: 1963-10-07
•
Granted: 1967-09-19
•
Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Francis K Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:13
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2400749A
Cited
US2403414A
Cited
US2641633A
Cited
GB923292A
Cited
US3176219A
Cited
DE1144839B
Cited
US3230424A
Cited
US3287636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |