Patent DE78747C successfully refreshed from Google Patents.
US3083316A
Expired / Lapsed
US
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Single-cavity magnetron with variable oscillating frequency
Assignee: Patelhold Patenverwertungs and Elektro-Holding AG
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Filing: 1959-11-03
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Granted: 1963-03-26
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Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Weber Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:56
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/54; H01J25/56; H01P; H01P7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SINGLE CAVITY CYLINDRICAL MAGNETRON HAVING A RESONATING SYSTEM CONSTITUTED BY A HOLLOW BODY ESTABLISHING A TOROIDAL CAVITY AND ANODE SEGMENTS CONNECTED TO SAID CAVITY WHICH FORM AN INTERDIGITATED STRUCTURE OF TWO GROUPS OF INTERLACING METALLIC FINGERS OF OPPOSITE POLARITY, AND A COAXIAL LINE COUPLED TO SAID RESONATING SYSTEM, THE OUTER CONDUCTOR OF SAID COAXIAL LINE BEING CONNECTED TO THE INNER WALL OF SAID HOLLOW BODY, THE INNER CONDUCTOR OF SAID COAXIAL LINE BEING SITUATED COMPLETELY OUTSIDE OF SAID CAVITY, AND SAID INNER CONDUCTOR ITSELF BEING JOINED TO AND DIRECTLY INTERCONNECTING THE FREE ENDS OF ALL FINGERS OF ONE OF SAID GROUPS THUS SIMULTANEOUSLY FUNCTIONING AS A RING SHORT-CIRCUITING SAID FREE ENDS OF SAID FINGERS.
Claim 2
Dependent Claim
115 words
A SINGLE CAVITY CYLINDRICAL MAGNETRON HAVING A RESONATING SYSTEM CONSTITUTED BY A HOLLOW BODY ESTABLISHING A TOROIDAL CAVITY AND ANODE SEGMENTS CONNECTED TO SAID CAVITY WHICH FORM AN INTERDIGITATED STRUCTURE OF TWO GROUPS OF INTERLACING METALLIC FINGERS OF OPPOSITE POLARITY, AND A COAXIAL LINE COUPLED TO SAID RESONATING SYSTEM, THE OUTER CONDUCTOR OF SAID COAXIAL LINE BEING CONNECTED TO THE INNER WALL OF SAID HOLLOW BODY, THE INNER CONDUCTOR OF SAID COAXIAL LINE BEING SITUATED COMPLETELY OUTSIDE OF SAID CAVITY, AND SAID INNER CONDUCTOR ITSELF BEING JOINED TO AND DIRECTLY INTERCONNECTING THE FREE ENDS OF ALL FINGERS OF ONE OF SAID GROUPS THUS SIMULTANEOUSLY FUNCTIONING AS A RING SHORT-CIRCUITING SAID FREE ENDS OF SAID FINGERS.
References Cited (Backward Citations)
US2497436A
Cited
US2721294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |