US3047697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch-open mechanism for air blast circuit breaker
Assignee: Allmanna Svenska Elek SA Aktie
•
Filing: 1959-06-02
•
Granted: 1962-07-31
•
Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Forwald Haakon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:25
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/32; H01H33/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US859843A
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US1129878A
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DE608733C
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GB512623A
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US2660636A
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DE1005155B
Cited
US2856480A
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US2824937A
Cited
US2911492A
Cited
US2936355A
Cited
US2972666A
Cited
US2949521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |