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US2895115A
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Sliding contact device for tuning coils
Assignee: TDK Micronas GmbH
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Filing: 1955-10-10
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Granted: 1959-07-14
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Charles P Majkrzak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:00
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2379047A
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US2426429A
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US2523725A
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US2486285A
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US2658098A
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US2742617A
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US2760177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |