Patent US3412262A successfully refreshed from Google Patents.
US3412262A
Expired / Lapsed
US
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Alternating current static switch
Assignee: ABB Norden Holding AB
•
Filing: 1965-06-08
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Granted: 1968-11-19
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Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Grees Karl Lennart
- 👤 Gustafsson Jorgen
- 👤 Johanssan Borje Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:01
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/13; H03K17/136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2728886A
Cited
US3097314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |