US3104394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping antenna which collapses through centrally mounted loading coil
Assignee: Torio KK
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Filing: 1960-12-07
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Granted: 1963-09-17
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Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 Yokoyama Kozo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A TELESCOPING ANTENNA COMPRISING A PLURALITY OF TUBULAR SECTIONS OF ELECTRIC CONDUCTOR AND EACH SUCCESSIVE SECTION BEING TELESCOPINGLY SLIDABLE WITHIN THE PRECEDING SECTION, ONE OF SAID TUBULAR SECTIONS HAVING TWO SPACED CONDUCTOR PARTS, AND A HOLLOW INSULATOR PART HAVING THE SAME OUTSIDE DIAMETER AS SAID ONE TUBULAR SECTION CONNECTED BETWEEN CONDUCTOR PARTS, A LOADING COIL WHICH IS BURIED IN SAID INSULATOR PART, BOTH ENDS OF SAID LOADING COIL BEING INDIVIDUALLY CONNECTED WITH SAID CONDUCTOR PARTS, AND A HIGH PERMEABILITY MAGNETIC CORE MOUNTED ON THE END OF THE NEXT SUCCESSIVE TUBULAR SECTION AND MOVABLE
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |