Patent US3139620A successfully refreshed from Google Patents.
US3139620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial multiband antenna
Assignee: Individual
•
Filing: 1959-12-23
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Granted: 1964-06-30
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Expires: 1979-12-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Leidy
- 👤 Henry D Cubbage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:53
CPC Classifications
H; H01; H01Q; H01Q5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A VERTICAL COLLINEAR MULTIBAND ANTENNA COMPRISING; A VERTICALLY ORIENTED HOLLOW MAST AND AN INSULATOR SEPARATING SAID MAST INTO UPPER AND LOWER COLLINEAR SECTIONS, A COAXIAL ANTENNA FEED LINE DISPOSED WITHIN SAID LOWER SECTION AND HAVING ITS INNER CONDUCTOR CONNECTED TO SAID UPPER MAST SECTION AND ITS OUTER CONDUCTOR CONNECTED TO SAID LOWER MAST SECTION,
Claim 2
Dependent Claim
54 words
A VERTICAL COLLINEAR MULTIBAND ANTENNA COMPRISING; A VERTICALLY ORIENTED HOLLOW MAST AND AN INSULATOR SEPARATING SAID MAST INTO UPPER AND LOWER COLLINEAR SECTIONS, A COAXIAL ANTENNA FEED LINE DISPOSED WITHIN SAID LOWER SECTION AND HAVING ITS INNER CONDUCTOR CONNECTED TO SAID UPPER MAST SECTION AND ITS OUTER CONDUCTOR CONNECTED TO SAID LOWER MAST SECTION,
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |