Patent US3226725A successfully refreshed from Google Patents.
US3226725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrally loaded inductively tunable whip antenna
Assignee: Pye Electronic Products Ltd
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Filing: 1962-02-27
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Granted: 1965-12-28
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Ritchie Roy
- 👤 John R Killeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:32
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/14; H01Q9/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A CENTRE-LOADED TUNABLE WHIP AERIAL, COMPRISING A FLEXIBLE HOUSING OF INSULATING MATERIAL FORMING THE BASE SECTION OF THE AERIAL, A FLEXIBLE METAL WHIP CONSTITUTING A RADIATING MEMBER AND RIGIDLY SECURED TO THE UPPER END OF SAID HOUSING, A COIL ENCLOSED BY THE HOUSING LOCATED AWAY FROM THE LOWER END OF THE HOUSING AND HAVING ITS UPPER END ELECTRICALLY CONNECTED TO SAID WHIP, A FURTHER RADIATING MEMBER CONNECTED TO THE LOWER END OF SAID COIL, SAID FURTHER RADIATING MEMBER BEING ENTIRELY ENCLOSED BY THE
Claim 2
Dependent Claim
83 words
A CENTRE-LOADED TUNABLE WHIP AERIAL, COMPRISING A FLEXIBLE HOUSING OF INSULATING MATERIAL FORMING THE BASE SECTION OF THE AERIAL, A FLEXIBLE METAL WHIP CONSTITUTING A RADIATING MEMBER AND RIGIDLY SECURED TO THE UPPER END OF SAID HOUSING, A COIL ENCLOSED BY THE HOUSING LOCATED AWAY FROM THE LOWER END OF THE HOUSING AND HAVING ITS UPPER END ELECTRICALLY CONNECTED TO SAID WHIP, A FURTHER RADIATING MEMBER CONNECTED TO THE LOWER END OF SAID COIL, SAID FURTHER RADIATING MEMBER BEING ENTIRELY ENCLOSED BY THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |