Patent US3543091A successfully refreshed from Google Patents.
US3543091A
Expired / Lapsed
US
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Solid state circuit breaker
Assignee: LTV Aerospace Corp
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Filing: 1968-12-23
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Granted: 1970-11-24
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Expires: 1988-12-23
Abstract
No abstract record available.
Inventors
- 👤 Albert J Marek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H02; H02H; H02H3/00; H02H3/08; H02H3/087; H02H3/24; H02H3/247; H03K17/08; H03K17/082; H03K17/0826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2959717A
Cited
US3409802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |