US3116486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luneberg lens system
Assignee: Individual
•
Filing: 1961-12-29
•
Granted: 1963-12-31
•
Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Anton M Johnson
- 👤 Warren T Harpster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/02; G; G01; G01S; G01S13/00; G01S13/74; G01S13/75
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A WIDE ANGLE MICROWAVE REFLECTING AND RECEIVING DEVICE COMPRISING A LUNEBERG LENS SPHERE, A DIELECTRIC STRIP DISPOSED FOR INTIMATE CONTACT WITH A PORTION OF THE SURFACE OF SAID SPHERE FOR SEPARATION OF SAID MICROWAVES INTO REFLECTED AND RECEIVED WAVES, THE CHANGE IN RATIO OF THE INTENSITY OF THE REFLECTED TO THAT OF THE RECEIVED WAVES BEING RESPONSIVE TO THE VALUES OF THE DIELECTRIC CONSTANT OF SAID STRIP, MEANS DISPOSED ADJACENT SAID STRIP FOR DETECTING SAID RECEIVED WAVES.
References Cited (Backward Citations)
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Cited
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Cited
US2866971A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |