US3233242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
H-guide microwave antenna
Assignee: Textron Inc
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Filing: 1961-05-31
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Granted: 1966-02-01
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 George N Voronoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/0006; H01Q17/00; H01Q17/001; H01Q21/06; H01Q21/061; H01Q21/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A MICROWAVE ANTENNA COMPRISING TWO ELECTRICALLY CONDUCTIVE PLATES DISPOSED IN SPACED RELATION TO EACH OTHER AND DEFINING THEREBETWEEN A SPACE FOR THE PROPAGATION OF ELECTROMAGNETIC WAVES IN AN H-GUIDE MODE, ONE OF SAID PLATES HAVING A TWO-DIMENSIONAL ARRAY OF RADIATING SLOTS THEREIN, A SLAB OF SOLID DIELECTRIC EXTENDING LATERALLY BETWEEN AND NORMAL TO SAID PLATES AND EXTENDING LENGTHWISE FROM ONE END OF THE OTHER OF THE SPACE BETWEEN THE PLATES, SAID SLAB HAVING A WIDTH PARALLEL TO THE PLATES THAT IS LESS THAN ONE-HALF OF THE PLATE WIDTHS, AND MEANS FOR SUPPLYING ELECTROMAGNETIC WAVE ENERGY INTO THE SPACE BETWEEN THE PLATES AT ONE END OF SAID SLAB.
Claim 2
Dependent Claim
107 words
A MICROWAVE ANTENNA COMPRISING TWO ELECTRICALLY CONDUCTIVE PLATES DISPOSED IN SPACED RELATION TO EACH OTHER AND DEFINING THEREBETWEEN A SPACE FOR THE PROPAGATION OF ELECTROMAGNETIC WAVES IN AN H-GUIDE MODE, ONE OF SAID PLATES HAVING A TWO-DIMENSIONAL ARRAY OF RADIATING SLOTS THEREIN, A SLAB OF SOLID DIELECTRIC EXTENDING LATERALLY BETWEEN AND NORMAL TO SAID PLATES AND EXTENDING LENGTHWISE FROM ONE END OF THE OTHER OF THE SPACE BETWEEN THE PLATES, SAID SLAB HAVING A WIDTH PARALLEL TO THE PLATES THAT IS LESS THAN ONE-HALF OF THE PLATE WIDTHS, AND MEANS FOR SUPPLYING ELECTROMAGNETIC WAVE ENERGY INTO THE SPACE BETWEEN THE PLATES AT ONE END OF SAID SLAB.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |