US3078463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel plate waveguide with slotted array and multiple feeds
Assignee: Thales SA
•
Filing: 1959-11-06
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Granted: 1963-02-19
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Lamy Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:10
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043; H01Q21/005; H01Q25/00; H01Q25/004
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A SYSTEM FOR RADIATING ULTRA-HIGH FREQUENCY WAVES COMPRISING A PLATE ASSEMBLY HAVING FOUR EDGES AND INCLUDING A FIRST RECTANGULAR SOLID CONDUCTIVE PLATE AND A SECOND RECTANGULAR PLATE PROVIDED WITH HOLES LOCATED ALONG TWO SETS OF LINES INTERSECTING AT RIGHT ANGLES, SPACED APART BY A DISTANCE DIFFERENT FROM THE OPERATING WAVES LENGTH AND RESPECTIVELY FORMING ROWS AND COLUMNS HAVING INTERSECTIONS, TWO OF SAID ROWS BEING EXTERIOR ROWS AND TWO OF SAID COLUMNS BEING EXTERIOR COLUMNS, SAID HOLES BEING POSITIONED AT SAID INTERSECTIONS OF SAID ROWS AND COLUMNS, AND FOUR FEEDING MEANS, EACH COMPRISING A DIRECTIONAL ATTENUATOR AND A REFLECTOR HAVING THE SAME CROSS SECTION AS SAID PLATE ASSEMBLY, DIRECTLY COUPLED THERETO AT THE RESPECTIVE EDGES THEREOF.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |