US3290626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface wave transmission
Assignee: Individual
•
Filing: 1964-12-28
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Granted: 1966-12-06
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Hafner Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:12
CPC Classifications
H; H01; H01P; H01P3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A SIGNAL TRANSMISSION SYSTEM FOR A PREDETERMINED OPERATING FREQUENCY RANGE COMPRISING SURFACE WAVE CONDUCTING MEANS AND PICKUP MEANS INCLUDING A NUMBER OF PARALLEL CONDUCTORS EXTENDING RADIALLY TOWARDS SAID SURFACE WAVE CONDUCTING MEANS AND SPACED FROM EACH OTHER APPROXIMATELY AT DISTANCES CORRESPONDING TO THE OPERATING WAVE LENGTH DIVIDED BY THE NUMBER OF SAID RADIAL CONDUCTORS; AND A CONDUCTING SHEET FORMING THE GROUND PLANE FOR SAID PICKUP MEANS AND EXTENDING IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID RADIAL CONDUCTORS; SAID RADIAL CONDUCTORS BEING CONDUCTIVELY INTERCONNECTED BY CONDUCTING MEANS EXTENDING SUBSTANTIALLY PARALLEL TO SAID GROUND FROMING SHEET, SPACED THEREFROM IN SUCH A MANNER SO THAT SAID CONDUCTING MEANS TOGETHER WITH SAID GROUND FORMING SHEET CONSTITUTE A COAXIAL LINE OF PREDETERMINED IMPEDANCE AND A COAXIAL CABLE CONNECTED TO SAID COAXIAL LINE.
Claim 2
Dependent Claim
128 words
IN A SIGNAL TRANSMISSION SYSTEM FOR A PREDETERMINED OPERATING FREQUENCY RANGE COMPRISING SURFACE WAVE CONDUCTING MEANS AND PICKUP MEANS INCLUDING A NUMBER OF PARALLEL CONDUCTORS EXTENDING RADIALLY TOWARDS SAID SURFACE WAVE CONDUCTING MEANS AND SPACED FROM EACH OTHER APPROXIMATELY AT DISTANCES CORRESPONDING TO THE OPERATING WAVE LENGTH DIVIDED BY THE NUMBER OF SAID RADIAL CONDUCTORS; AND A CONDUCTING SHEET FORMING THE GROUND PLANE FOR SAID PICKUP MEANS AND EXTENDING IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID RADIAL CONDUCTORS; SAID RADIAL CONDUCTORS BEING CONDUCTIVELY INTERCONNECTED BY CONDUCTING MEANS EXTENDING SUBSTANTIALLY PARALLEL TO SAID GROUND FROMING SHEET, SPACED THEREFROM IN SUCH A MANNER SO THAT SAID CONDUCTING MEANS TOGETHER WITH SAID GROUND FORMING SHEET CONSTITUTE A COAXIAL LINE OF PREDETERMINED IMPEDANCE AND A COAXIAL CABLE CONNECTED TO SAID COAXIAL LINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |