← Back to Patent Explorer
US3125733A Expired / Lapsed US ⏱️ 0.0 years remaining

Transmission line having high attenuation for radiant

Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:23
CPC Classifications
H; H01; H01P; H01P3/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 106 words
IN ELECTRICAL TRANSMISSION LINES FOR ATTENDING HIGH FREQUENCY CURRENTS WITHOUT APPRECIABLE LOSS AT LOW FREQUENCIES, THE COMBINATION OF A CENTRALLY DISPOSED LINEAR METAL CONDUCTOR, A CONDUCTIVE HIGH FREQUENCY DISSIPATIVE MATERIAL SURROUNDING SAID CENTRAL CONDUCTOR, A HELICALLYFORMED CONDUCTOR DISPOSED SUBSTANTIALLY SYMMETRICALLY ABOUT SAID CENTRAL CONDUCTOR AND EXTENDING LONGITUDINALLY ALONG THE LENGTH THEREOF, SAID HELICALLY-FORMED CONDUCTOR ADDING INDUCTIVE REACTANCE TO THE CIRCUIT AND BEING EMBEDDED IN SAID DISSIPATIVE MATERIAL, SAID DISSIPATIVE MATERIAL HAVING A HELICALLY CONFIGURED SLOT IN THE OUTER PERIPHERY THEREOF EXTENDING BETWEEN SUCCESSIVE TURNS OF SAID HELICALLY-FORMED CONDUCTOR THEREBY PROVIDING A DIELECTRIC GAP BETWEEN TURNS OF SAID HELICALLY-FORMED CONDUCTOR SAID SLOT BEING FILLED WITH DIELECTRIC MATERIAL.
Claim 2
Dependent Claim 106 words
IN ELECTRICAL TRANSMISSION LINES FOR ATTENDING HIGH FREQUENCY CURRENTS WITHOUT APPRECIABLE LOSS AT LOW FREQUENCIES, THE COMBINATION OF A CENTRALLY DISPOSED LINEAR METAL CONDUCTOR, A CONDUCTIVE HIGH FREQUENCY DISSIPATIVE MATERIAL SURROUNDING SAID CENTRAL CONDUCTOR, A HELICALLYFORMED CONDUCTOR DISPOSED SUBSTANTIALLY SYMMETRICALLY ABOUT SAID CENTRAL CONDUCTOR AND EXTENDING LONGITUDINALLY ALONG THE LENGTH THEREOF, SAID HELICALLY-FORMED CONDUCTOR ADDING INDUCTIVE REACTANCE TO THE CIRCUIT AND BEING EMBEDDED IN SAID DISSIPATIVE MATERIAL, SAID DISSIPATIVE MATERIAL HAVING A HELICALLY CONFIGURED SLOT IN THE OUTER PERIPHERY THEREOF EXTENDING BETWEEN SUCCESSIVE TURNS OF SAID HELICALLY-FORMED CONDUCTOR THEREBY PROVIDING A DIELECTRIC GAP BETWEEN TURNS OF SAID HELICALLY-FORMED CONDUCTOR SAID SLOT BEING FILLED WITH DIELECTRIC MATERIAL.

References Cited (Backward Citations)

BE571590A Cited
US2769149A Cited
US2228797A Cited
US2238915A Cited
US2304210A Cited
US2322773A Cited
US2387783A Cited
US2622152A Cited
US3081439A Cited
US3035237A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-17 1967-09-16 1968-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-17 1971-09-16 1972-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-17 1975-09-16 1976-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag