US3225249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron having evacuated discharge sub-assembly united with unevacuated magnetic and resonant cavity structure
Assignee: General Electric Co
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Filing: 1962-04-27
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Granted: 1965-12-21
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Krug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J23/00; H01J23/02; H01J23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
RADIO FREQUENCY APPARATUS COMPRISING A MAGNET STRUCTURE INCLUDING A PAIR OF OPPOSED SPACED POLE PIECES DEFINING A GAP, SUPPORTING MEANS SUPPORTING SAID POLE PIECES FOR ANGULARLY ADJUSTMENT TO VARY THE CONFIGURATION OF THE MAGNETIC FIELD IN SAID GAP, RETAINING MEANS CARRIED BY SAID MAGNET STRUCTURE SUPPORTING AN ELECTRIC DISCHARGE DEVICE IN A FIXED POSITION IN SAID GAP, SAID DEVICE INCLUDING AT LEAST ONE EXTERNAL CONTACT MEMBER, AND MEANS INCLUDING AT LEAST ONE FLEXIBLE CONDUCTIVE ELEMENT INTERCONNECTING SAID CONTACT MEMBER AND ONE OF SAID POLE PIECES TO COMPENSATE AN R.F. CIRCUIT THEREBETWEEN.
Claim 2
Dependent Claim
91 words
RADIO FREQUENCY APPARATUS COMPRISING A MAGNET STRUCTURE INCLUDING A PAIR OF OPPOSED SPACED POLE PIECES DEFINING A GAP, SUPPORTING MEANS SUPPORTING SAID POLE PIECES FOR ANGULARLY ADJUSTMENT TO VARY THE CONFIGURATION OF THE MAGNETIC FIELD IN SAID GAP, RETAINING MEANS CARRIED BY SAID MAGNET STRUCTURE SUPPORTING AN ELECTRIC DISCHARGE DEVICE IN A FIXED POSITION IN SAID GAP, SAID DEVICE INCLUDING AT LEAST ONE EXTERNAL CONTACT MEMBER, AND MEANS INCLUDING AT LEAST ONE FLEXIBLE CONDUCTIVE ELEMENT INTERCONNECTING SAID CONTACT MEMBER AND ONE OF SAID POLE PIECES TO COMPENSATE AN R.F. CIRCUIT THEREBETWEEN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |