Patent US3299374A successfully refreshed from Google Patents.
US3299374A
Expired / Lapsed
US
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Asymmetrical waveguide
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1965-04-05
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Granted: 1967-01-17
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Schickle Gerhard
- 👤 Krank Wolfgang
- 👤 Schuttloffel Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:16
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/12; H01P3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A FLEXIBLE WAVEGUIDE DEVICE FOR THE CORRECT TRANSMISSION OF A PARTICULAR TYPE WAVE AND PREFERABLY A LINEARLY POLARIZED ELECTROMAGNETIC WAVE, COMPRISING A WAVEGUIDE IN WHICH THE TWO AXES OF THE CROSS SECTIONAL PLANE WHICH ARE PERPENDICULAR TO EACH OTHER ARE OF DIFFERENT LENGTH, THE CROSS SECTION OF THE WAVEGUARD BEING ASYMMETRICAL RELATIVE TO AT LEAST ONE AXIS, AND THE EDGES OF THE CROSS SECTION BEING SMOOTH AND FREE OF CORNERS AND THE PERIPHERY OF THE CROSS SECTION HAVING EVERYWHERE A CURVATURE WHICH IS FREE OF CHANGES IN SIGN.
Claim 2
Dependent Claim
88 words
A FLEXIBLE WAVEGUIDE DEVICE FOR THE CORRECT TRANSMISSION OF A PARTICULAR TYPE WAVE AND PREFERABLY A LINEARLY POLARIZED ELECTROMAGNETIC WAVE, COMPRISING A WAVEGUIDE IN WHICH THE TWO AXES OF THE CROSS SECTIONAL PLANE WHICH ARE PERPENDICULAR TO EACH OTHER ARE OF DIFFERENT LENGTH, THE CROSS SECTION OF THE WAVEGUARD BEING ASYMMETRICAL RELATIVE TO AT LEAST ONE AXIS, AND THE EDGES OF THE CROSS SECTION BEING SMOOTH AND FREE OF CORNERS AND THE PERIPHERY OF THE CROSS SECTION HAVING EVERYWHERE A CURVATURE WHICH IS FREE OF CHANGES IN SIGN.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |