US2662949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipole circuit breaker
Assignee: Federal Electric Products Co
•
Filing: 1950-08-24
•
Granted: 1953-12-15
•
Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Paul M Christensen
- 👤 Alexander R Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:58
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2209319A
Cited
US2233336A
Cited
US2471837A
Cited
US2503409A
Cited
US2465039A
Cited
US2459427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |