US3133285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical luneberg lens composed of a plurality of pyramidal sectors each having a graded dielectric constant
Assignee: General Electric Co
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Filing: 1963-01-14
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Granted: 1964-05-12
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Jordan
- 👤 Henry T Plant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:27
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/002; H01Q15/00; H01Q15/02; H01Q15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A SPHERICAL LENS CAPABLE OF FOCUSING PARALLEL MICROWAVE RAYS AT A POINT ON THE PERIHERY OF THE SPHERE DIAMETRICALLY OPPOSED TO THE TANGENT PLANE OF ENTRY OF SAID RAYS, SAID LENS COMPRISING A PLURALITY OF PYRAMIDAL-SPHERICAL SECTORS, EACH OF SAID SECTORS HAVING A DIELECTRIC CONSTANT WHICH IS MAXIMUM AT THE APEX OF SAID SECTOR AND WHICH VARIES AT A PREDETERMINED RATE TOWARD THE ARCUATE BASE OF SAID SECTOR, SAID SECTORS BEING ASSEMBLED TO FORM A SPHERE WHOSE DIELECTRIC CONSTANT IS MAXIMUM AT THE CENTER AND DECREASES RADIALLY AT A PREDETERMINED RATE.
Claim 2
Dependent Claim
91 words
A SPHERICAL LENS CAPABLE OF FOCUSING PARALLEL MICROWAVE RAYS AT A POINT ON THE PERIHERY OF THE SPHERE DIAMETRICALLY OPPOSED TO THE TANGENT PLANE OF ENTRY OF SAID RAYS, SAID LENS COMPRISING A PLURALITY OF PYRAMIDAL-SPHERICAL SECTORS, EACH OF SAID SECTORS HAVING A DIELECTRIC CONSTANT WHICH IS MAXIMUM AT THE APEX OF SAID SECTOR AND WHICH VARIES AT A PREDETERMINED RATE TOWARD THE ARCUATE BASE OF SAID SECTOR, SAID SECTORS BEING ASSEMBLED TO FORM A SPHERE WHOSE DIELECTRIC CONSTANT IS MAXIMUM AT THE CENTER AND DECREASES RADIALLY AT A PREDETERMINED RATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |