US2583854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductance coil with ceramic form for high frequency
Assignee: Siemens Schuckertwerke AG
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Filing: 1949-10-05
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Granted: 1952-01-29
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Expires: 1969-10-05
Abstract
No abstract record available.
Inventors
- 👤 Kehbel Heinz Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/02; H01F17/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |