US2646481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-voltage circuit breaker
Assignee: ITE Circuit Breaker Co
•
Filing: 1947-05-07
•
Granted: 1953-07-21
•
Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Wood
- 👤 Arthur S Caswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:59
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/167; H01; H01H; H01H33/00; H01H33/02; H01H33/025; H01H9/00; H01H9/30; H01H9/34; H01H9/44; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |