US3421128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series-connected electrical circuit breaker assembly
Assignee: General Electric Co
•
Filing: 1966-05-17
•
Granted: 1969-01-07
•
Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Keith W Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:12
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2822446A
Cited
US2779831A
Cited
US2968709A
Cited
US3152287A
Cited
US3054025A
Cited
US3290474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |