Patent US3121850A successfully refreshed from Google Patents.
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
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Filing: 1960-05-27
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Granted: 1964-02-18
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Arlt Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:46
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)
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 |