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Patent US3362026A successfully refreshed from Google Patents.
US3362026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shortened log periodic antenna
Assignee: JEN CHU
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Filing: 1965-01-27
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Granted: 1968-01-02
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Expires: 1985-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Valor C Smith
- 👤 Chu Lan Jen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10; H01Q21/00; H01Q21/06; H01Q21/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN ANTENNA HAVING, IN COMBINATION, A PAIR OF SUBSTANTIALLY PARALLEL LONGITUDINAL CONDUCTORS HAVING OPPOSITELY TRANSVERSELY EXTENDING PAIRS OF DIPOLE EXTENSIONS SPACED LONGITUDINALLY THEREALONG, CERTAIN OF THE DIPOLE EXTENSIONS BEING DIVIDED INTO SEGMENTS BY INSULATOR MEANS WITH THE SEGMENTS BEING JOINED BY INDUCTIVE MEANS, AND CAPACITATIVE MEANS EXTENDING IN THE SPACE BETWEEN THE OUTER ENDS OF CERTAIN OF THE DIPOLE EXTENSIONS AND THE NEXT LONGITUDINALLY SPACED PAIR OF DIPOLE EXTENSIONS.
Claim 2
Dependent Claim
69 words
AN ANTENNA HAVING, IN COMBINATION, A PAIR OF SUBSTANTIALLY PARALLEL LONGITUDINAL CONDUCTORS HAVING OPPOSITELY TRANSVERSELY EXTENDING PAIRS OF DIPOLE EXTENSIONS SPACED LONGITUDINALLY THEREALONG, CERTAIN OF THE DIPOLE EXTENSIONS BEING DIVIDED INTO SEGMENTS BY INSULATOR MEANS WITH THE SEGMENTS BEING JOINED BY INDUCTIVE MEANS, AND CAPACITATIVE MEANS EXTENDING IN THE SPACE BETWEEN THE OUTER ENDS OF CERTAIN OF THE DIPOLE EXTENSIONS AND THE NEXT LONGITUDINALLY SPACED PAIR OF DIPOLE EXTENSIONS.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |