US3482070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum d.c. breaker with relative contact movement interposing a non-conductor to extinguish arc
Assignee: ABB Norden Holding AB
•
Filing: 1966-12-05
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Granted: 1969-12-02
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bo Breitholtz
- 👤 Fred Carlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:06
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/02; H01H33/04; H01H33/16; H01H33/59; H01H33/596
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784302A
Cited
US1861129A
Cited
US3128361A
Cited
US3071667A
Cited
DE1133785B
Cited
FR1282733A
Cited
US3372259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |