US3191177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direction finding antenna
Assignee: Lear Siegler Inc
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Filing: 1961-05-24
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Granted: 1965-06-22
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Parzen Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:57
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/28; H01Q3/00; H01Q3/02; H01Q3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A ROTATING ANTENNA ASSEMBLY COMPRISING A SHAFT, MEANS CONNECTED TO ONE END OF SAID SHAFT FOR ROTATING THE SAME DURING OPERATION OF THE ANTENNA, AN ANTENNA MOUNTING BASE CONNECTED TO THE OTHER END OF SAID SHAFT FOR ROTATION THEREWITH, A CROSS-PIECE MEMBER CONNECTED TO SAID MOUNTING BASE, AN ACTIVE ANTENNA ELEMENT CONNECTED TO ONE END OF SAID CROSS-PIECE MEMBER SUBSTANTIALLY PARALLEL TO SAID SHAFT, A PASSIVE ANTENNA REFLECTOR ELEMENT CONNECTED TO THE OTHER END OF SAID CROSS-PIECE MEMBER SUBSTANTIALLY PARALLEL TO SAID ACTIVE ELEMENT, AND A TOP TUBE ELEMENT CONNECTED TO SAID MOUNTING BASE SUBSTANTIALLY PARALLEL TO SAID ANTENNA ELEMENTS FOR USE AS AN ADDITIONAL PASSIVE ANTENNA REFLECTOR ELEMENT.
Claim 2
Dependent Claim
109 words
A ROTATING ANTENNA ASSEMBLY COMPRISING A SHAFT, MEANS CONNECTED TO ONE END OF SAID SHAFT FOR ROTATING THE SAME DURING OPERATION OF THE ANTENNA, AN ANTENNA MOUNTING BASE CONNECTED TO THE OTHER END OF SAID SHAFT FOR ROTATION THEREWITH, A CROSS-PIECE MEMBER CONNECTED TO SAID MOUNTING BASE, AN ACTIVE ANTENNA ELEMENT CONNECTED TO ONE END OF SAID CROSS-PIECE MEMBER SUBSTANTIALLY PARALLEL TO SAID SHAFT, A PASSIVE ANTENNA REFLECTOR ELEMENT CONNECTED TO THE OTHER END OF SAID CROSS-PIECE MEMBER SUBSTANTIALLY PARALLEL TO SAID ACTIVE ELEMENT, AND A TOP TUBE ELEMENT CONNECTED TO SAID MOUNTING BASE SUBSTANTIALLY PARALLEL TO SAID ANTENNA ELEMENTS FOR USE AS AN ADDITIONAL PASSIVE ANTENNA REFLECTOR ELEMENT.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |