US2894124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broad band omni-polarized multiple antenna system with each antenna having individual detector and low frequency coupling network
Assignee: TDK Micronas GmbH
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Filing: 1954-01-07
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Granted: 1959-07-07
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Expires: 1974-01-07
Abstract
No abstract record available.
Inventors
- 👤 Leon Himmel
- 👤 Henry F Kuras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:18
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/24; H01Q21/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217623A
Cited
US2543085A
Cited
US2519209A
Cited
US2541021A
Cited
US2531432A
Cited
US2664507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |