US2622203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable high-frequency coil and/or tuning assembly
Assignee: Mycalex Corp of America
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Filing: 1951-07-06
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Granted: 1952-12-16
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Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Martin V Kiebert
- 👤 Alfred S Backus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:36
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/006; H01; H01F; H01F21/00; H01F21/02; H01F21/10
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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |