US2650280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipole circuit breaker and tripping device therefor
Assignee: Federal Electric Products Co
•
Filing: 1949-08-12
•
Granted: 1953-08-25
•
Expires: 1969-08-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cole
- 👤 Jr William H Lantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:32
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2107246A
Cited
US2240623A
Cited
US2242717A
Cited
US2295577A
Cited
US2421830A
Cited
US2365120A
Cited
US2487637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |