Patent US1276943A successfully refreshed from Google Patents.
US3149336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slot radiator in wall of coaxial feed having mode coupling means at slot
Assignee: RCA Corp
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Filing: 1961-02-17
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Granted: 1964-09-15
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Nikolayuk Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:46
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
MEANS FOR RADIATING ELECTROMAGNETIC ENERGY COMPRISING TWO COAXIAL MEMBERS, SAID OUTER MEMBER HAVING AN ELONGATED SLOT OPENING, AN ELONGATED CONDUCTIVE MEMBER FASTENED TO THE INNER WALL OF SAID OUTER COAXIAL MEMBER AT ONE SIDE OF SAID ELONGATED SLOT OPENING WITH ONE SIDE OF SAID MEMBER''S LONG DIMENSION SUBSTANTIALLY PARALLEL TO AND SUBSTANTIALLY REGISTERED WITH SAID ONE SIDE OF SAID ELONGATED SLOT, A MEMBER DISPOSED ACROSS SAID SLOT WHEREBY TO PROVIDE A SHORT CIRCUIT INTERMEDIATE THE ENDS OF SAID SLOT, AND SAID ELONGATED CONDUCTIVE MEMBER HAVING AT LEAST A PORTION THEREOF OVERLAPPING SAID SHORT CIRCUITING MEMBER.
Claim 2
Dependent Claim
95 words
MEANS FOR RADIATING ELECTROMAGNETIC ENERGY COMPRISING TWO COAXIAL MEMBERS, SAID OUTER MEMBER HAVING AN ELONGATED SLOT OPENING, AN ELONGATED CONDUCTIVE MEMBER FASTENED TO THE INNER WALL OF SAID OUTER COAXIAL MEMBER AT ONE SIDE OF SAID ELONGATED SLOT OPENING WITH ONE SIDE OF SAID MEMBER''S LONG DIMENSION SUBSTANTIALLY PARALLEL TO AND SUBSTANTIALLY REGISTERED WITH SAID ONE SIDE OF SAID ELONGATED SLOT, A MEMBER DISPOSED ACROSS SAID SLOT WHEREBY TO PROVIDE A SHORT CIRCUIT INTERMEDIATE THE ENDS OF SAID SLOT, AND SAID ELONGATED CONDUCTIVE MEMBER HAVING AT LEAST A PORTION THEREOF OVERLAPPING SAID SHORT CIRCUITING MEMBER.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |