US3488610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker with improved thermalmagnetic tripping mechanism
Assignee: General Electric Co
•
Filing: 1967-09-21
•
Granted: 1970-01-06
•
Expires: 1987-09-21
Abstract
No abstract record available.
Inventors
- 👤 David B Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:37
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40; H01H71/405; H01H71/14; H01H71/16; H01H71/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2902560A
Cited
US3401363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |