US2573256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in rapid reclosing compressed air circuit breakers
Assignee: ABB Norden Holding AB
•
Filing: 1948-01-17
•
Granted: 1951-10-30
•
Expires: 1968-01-17
Abstract
No abstract record available.
Inventors
- 👤 Forwald Haakon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:31
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/32; H02; H02H; H02H3/00; H02H3/08; H02H3/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1914875A
Cited
US1955212A
Cited
US2240803A
Cited
US2213658A
Cited
US2287041A
Cited
US2389942A
Cited
US2425168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |