US3305657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker for high power, high voltage networks
Assignee: Associated Electrical Industries Ltd
•
Filing: 1964-03-27
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Granted: 1967-02-21
•
Expires: 1984-03-27
Abstract
No abstract record available.
Inventors
- 👤 Roxburgh Albert
- 👤 Gibson Arthur Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666; H01R; H01R4/00; H02; H02B; H02B11/00; H02B11/18; H02B11/20; H02B11/22; H01H33/02; H01H33/022; H01H2033/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445588A
Cited
US2749410A
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GB769406A
Cited
US2810805A
Cited
US2897322A
Cited
US2889424A
Cited
US3025375A
Cited
US3163735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |