Patent US3106713A successfully refreshed from Google Patents.
US3106713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slot antenna having short radiating slots and long nonradiating distributed capacitance tuning slot
Assignee: Furukawa Electric Co Ltd
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Filing: 1963-01-23
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Granted: 1963-10-08
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Murata Hiroshi
- 👤 Matsushita Masao
- 👤 Ito Mizuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:28
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/20; H01Q13/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SLOT ANTENNA WHICH COMPRISES A TUBULAR CONDUCTOR, A NUMBER OF SLOTS FORMED ON ONE SIDE OF THE CONDUCTOR AND SEPARATED WITH A DESIRED INTERVAL, EACH OF SAID SLOTS HAVING A LENGTH SHORTER THAN THE WAVE LENGTH OF THE ELECTROMAGNETIC WAVE TO BE TRANSMITTED AND A SLIT FORMED ON THE OPPOSITE SIDE OF THE TUBULAR CONDUCTOR IN A LONGITUDINAL DIRECTION AND HAVING A LENGTH LONGER THAN THAT OF THE SLOT.
Claim 2
Dependent Claim
70 words
A SLOT ANTENNA WHICH COMPRISES A TUBULAR CONDUCTOR, A NUMBER OF SLOTS FORMED ON ONE SIDE OF THE CONDUCTOR AND SEPARATED WITH A DESIRED INTERVAL, EACH OF SAID SLOTS HAVING A LENGTH SHORTER THAN THE WAVE LENGTH OF THE ELECTROMAGNETIC WAVE TO BE TRANSMITTED AND A SLIT FORMED ON THE OPPOSITE SIDE OF THE TUBULAR CONDUCTOR IN A LONGITUDINAL DIRECTION AND HAVING A LENGTH LONGER THAN THAT OF THE SLOT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |