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Patent US2416170A successfully refreshed from Google Patents.
US2416170A
Expired / Lapsed
US
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Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1942-09-15
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Granted: 1947-02-18
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Expires: 1962-09-15
Abstract
No abstract record available.
Inventors
- 👤 Harlan S Gano
- 👤 Gerald J Freese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:13
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/501; H01H71/52; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |