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US3560889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Termination for ultra-high-frequency and microwave transmission lines
Assignee: Individual
•
Filing: 1969-08-25
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Granted: 1971-02-02
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Expires: 1989-08-25
Abstract
Abstract A TERMINATION FOR ULTRA-HIGH-FREQUENCY AND MICROWAVE TRANSMISSION LINES COMPRISING MAGNETIC MATERIAL. FOR COAXIAL TRANSMISSION LINES, THE TERMINATION COMPRISES A TOROIDAL MAGNETIC MEMBER ADJACENT THE SHUNT END-PLATE AND CYLINDRICAL MAGNETIC MEMBERS DISPOSED BETWEEN THE INNER AND OUTER CONDUCTORS. FOR WAVEGUIDES, MAGNETIC MATERIAL IS DISPOSED ADJACENT TO BOTH THE WALLS OF THE WAVEGUIDE AND TERMINATING END-PLATE. THE TERMINATION FOR WAVEGUIDES MAY ALSO INCLUDE A TAPERED RESISTIVE FILM OR A V-SHAPED RESISTIVE FILM.
Inventors
- 👤 Kunihiro Suetake
- 👤 Yasutaka Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:01
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |