US3305871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sender antenna enveloped by a tubular carrier mast
Assignee: Siemens and Halske AG
•
Filing: 1963-11-06
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Granted: 1967-02-21
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Kruger Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:06
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SENDER ANTENNA ENVELOPED BY A TUBULAR MAST SERVING AS A CARRIER AND AS WEATHER PROTECTION FOR ANTENNA ELEMENTS WHICH ARE FASTENED TO THE INNER WALL THEREOF, SAID TUBULAR MAST BEING CONSTRUCTED AS A TUBULAR INSULATING BODY WITH THE WALL THEREOF BEING FORMED BY AN OUTER AND AN INNER SHEATH, GENERALLY CONCENTRICALLY DISPOSED AND WOUND OF INSULATING MATERIAL LAYERS, AND CROSS-SECTIONALLY CRESCENT-SHAPED REINFORCING INSERTS, WHICH ARE PREFABRICATED PARTS EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF
Claim 2
Dependent Claim
75 words
A SENDER ANTENNA ENVELOPED BY A TUBULAR MAST SERVING AS A CARRIER AND AS WEATHER PROTECTION FOR ANTENNA ELEMENTS WHICH ARE FASTENED TO THE INNER WALL THEREOF, SAID TUBULAR MAST BEING CONSTRUCTED AS A TUBULAR INSULATING BODY WITH THE WALL THEREOF BEING FORMED BY AN OUTER AND AN INNER SHEATH, GENERALLY CONCENTRICALLY DISPOSED AND WOUND OF INSULATING MATERIAL LAYERS, AND CROSS-SECTIONALLY CRESCENT-SHAPED REINFORCING INSERTS, WHICH ARE PREFABRICATED PARTS EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF
References Cited (Backward Citations)
US2413085A
Cited
US2631237A
Cited
US2607009A
Cited
FR1236873A
Cited
US3039100A
Cited
US3252161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |