US3200356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible corrugated-wall elliptical-cross-section waveguide useful for propagating only one polarization of fundamental mode
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1962-07-02
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Granted: 1965-08-10
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Schuttloffel Erich
- 👤 Krank Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:24
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/12; H01P3/14; H01P1/00; H01P1/02; H01P5/00; H01P5/08; H01P5/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A WAVEGUIDE DEVICE FOR TRANSMITTING LINEARLY POLARIZED PLANE ELECTROMAGNETIC WAVES OF VERY HIGH FREQUENCY WITH LOW LOSS ESPECIALLY FOR THE TRANSMISSION OF BROAD FREQUENCY BANDS, THE IMPROVEMENT COMPRISING A HOLLOW LINE HAVING AN ELLIPTICAL CROSS SECTION AND BEING CORRUGATED SO THAT IT IS CAPABLE OF BEING WOUND ONTO A DRUM, AND COUPLING AND DECOUPLING MEANS CONNECTED AT THE ENDS OF SAID LINE AND DISPOSED AT RIGHT ANGLES WITH THE MAJOR AXIS OF THE ELLIPTICAL CROSS SECTION OF SAID LINE.
Claim 2
Dependent Claim
80 words
IN A WAVEGUIDE DEVICE FOR TRANSMITTING LINEARLY POLARIZED PLANE ELECTROMAGNETIC WAVES OF VERY HIGH FREQUENCY WITH LOW LOSS ESPECIALLY FOR THE TRANSMISSION OF BROAD FREQUENCY BANDS, THE IMPROVEMENT COMPRISING A HOLLOW LINE HAVING AN ELLIPTICAL CROSS SECTION AND BEING CORRUGATED SO THAT IT IS CAPABLE OF BEING WOUND ONTO A DRUM, AND COUPLING AND DECOUPLING MEANS CONNECTED AT THE ENDS OF SAID LINE AND DISPOSED AT RIGHT ANGLES WITH THE MAJOR AXIS OF THE ELLIPTICAL CROSS SECTION OF SAID LINE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |