US3109151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously variable phase shifter using circular polarization
Assignee: SAGE LABORATORIES
•
Filing: 1960-04-20
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Granted: 1963-10-29
•
Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Theodore S Saad
- 👤 Hadge Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:43
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
HIGH FREQUENCY APPARATUS COMPRISING, A COAXIAL TRANSMISSION LINE HAVING AN INNER AND OUTER CONDUCTOR, A SINGLE SPIRAL CONDUCTING FIN CONNECTED TO AND EXTENDING RADIALLY OUTWARD FROM SAID INNER AND OUTER CONDUCTORS SUBSTANTIALLY IN A PLANE ORTHOGONALLY INTERSECTING BOTH SAID INNER AND OUTER CONDUCTORS, AND A CYLINDER OF CONDUCTING MATERIAL WITH ITS AXIS COINCIDING WITH THAT OF SAID LINE SURROUNDING SAID FIN AND SAID COAXIAL TRANSMISSION LINE AND EXTENDING BEYOND TO DEFINE A HOLLOW CONDUCTING CYLINDRICAL PORTION IMMEDIATELY ADJACENT TO THE PORTION SUR-
Claim 2
Dependent Claim
82 words
HIGH FREQUENCY APPARATUS COMPRISING, A COAXIAL TRANSMISSION LINE HAVING AN INNER AND OUTER CONDUCTOR, A SINGLE SPIRAL CONDUCTING FIN CONNECTED TO AND EXTENDING RADIALLY OUTWARD FROM SAID INNER AND OUTER CONDUCTORS SUBSTANTIALLY IN A PLANE ORTHOGONALLY INTERSECTING BOTH SAID INNER AND OUTER CONDUCTORS, AND A CYLINDER OF CONDUCTING MATERIAL WITH ITS AXIS COINCIDING WITH THAT OF SAID LINE SURROUNDING SAID FIN AND SAID COAXIAL TRANSMISSION LINE AND EXTENDING BEYOND TO DEFINE A HOLLOW CONDUCTING CYLINDRICAL PORTION IMMEDIATELY ADJACENT TO THE PORTION SUR-
References Cited (Backward Citations)
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |