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US3121850A Expired / Lapsed US ⏱️ 0.0 years remaining

Coaxial line having helical slots for providing a rotational field capable of being coupled to

Assignee: US Philips Corp
•
Filing: 1960-05-27
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Granted: 1964-02-18
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Expires: 1980-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Arlt Gottfried

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:37
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/08; H01Q; H01Q13/00; H01Q13/10; H01Q13/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 73 words
A COAXIAL CABLE COMPRISING AN INNER CONDUCTOR AND AN OUTER CONDUCTOR, ONE OF SAID CONDUCTORS HAVING AN UNSLOTTED PORTION AND AN ADJACENT SLOTTED PORTION, SAID SLOTTED PORTION COMPRISING A FIRST PORTION WITH SLOTS EXTENDING AXIALLY OF SAID CABLE ADJACENT SAID UNSLOTTED PORTION, AND A SECOND PORTION ADJACENT SAID FIRST PORTION WITH HELICALLY EXTENDING SLOTS THAT ARE CONTINUATIONS OF THE SLOTS OF SAID FIRST PORTION, THE LENGTH OF SAID FIRST PORTION BEING EQUAL TO
Claim 2
Dependent Claim 73 words
A COAXIAL CABLE COMPRISING AN INNER CONDUCTOR AND AN OUTER CONDUCTOR, ONE OF SAID CONDUCTORS HAVING AN UNSLOTTED PORTION AND AN ADJACENT SLOTTED PORTION, SAID SLOTTED PORTION COMPRISING A FIRST PORTION WITH SLOTS EXTENDING AXIALLY OF SAID CABLE ADJACENT SAID UNSLOTTED PORTION, AND A SECOND PORTION ADJACENT SAID FIRST PORTION WITH HELICALLY EXTENDING SLOTS THAT ARE CONTINUATIONS OF THE SLOTS OF SAID FIRST PORTION, THE LENGTH OF SAID FIRST PORTION BEING EQUAL TO

References Cited (Backward Citations)

US2633532A Cited
US2711439A Cited
US2859272A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-17 1967-08-19 1968-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-17 1971-08-19 1972-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-17 1975-08-19 1976-02-18 $7700.00 Window Closed / Lapsed

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