Patent US2524754A successfully refreshed from Google Patents.
US2524754A
Expired / Lapsed
US
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Unitary magnetic core and condenser
Assignee: Auralight AB
•
Filing: 1946-09-05
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Granted: 1950-10-10
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Expires: 1966-09-05
Abstract
No abstract record available.
Inventors
- 👤 Bjorklund Tore Sigvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:40
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428574A
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US958899A
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US1116130A
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US1365568A
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US1606777A
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US1644332A
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GB264251A
Cited
US2316928A
Cited
US2411104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |