US3260885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode structures providing improved cooling for electron discharge devices
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1961-09-26
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Granted: 1966-07-12
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Expires: 1981-09-26
Abstract
No abstract record available.
Inventors
- 👤 Paul W Crapuchettes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:55
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN COMBINATION, A VACUUM ENVELOPE, A CATHODE, AN ANODE STRUCTURE AND MEANS FOR DIRECTING A BEAM OF ELECTRONS FROM SAID CATHODE TO SAID ANODE, SAID ANODE STRUCTURE COMPRISING A CONDUCTIVE SURFACE FOR COLLECTING ELECTRONS IN THE BEAM AND AT LEAST ONE THIN ELECTRON PERMEABLE CYLINDRICAL TAPERED BERYLLIUM MEMBRANE SPACED FROM SAID CONDUCTIVE SURFACE AND FACING SAID BEAM AND MEANS FOR CIRCULATING A COOLING FLUID IN THE VOLUME BETWEEN SAID CONDUCTIVE SURFACE AND SAID MEMBRANE TO REMOVE AND DISSIPATE HEAT GENERATED IN SAID MEMBRANE AND SAID CONDUCTIVE SURFACE BY SAID ELECTRON BEAM.
Claim 2
Dependent Claim
91 words
IN COMBINATION, A VACUUM ENVELOPE, A CATHODE, AN ANODE STRUCTURE AND MEANS FOR DIRECTING A BEAM OF ELECTRONS FROM SAID CATHODE TO SAID ANODE, SAID ANODE STRUCTURE COMPRISING A CONDUCTIVE SURFACE FOR COLLECTING ELECTRONS IN THE BEAM AND AT LEAST ONE THIN ELECTRON PERMEABLE CYLINDRICAL TAPERED BERYLLIUM MEMBRANE SPACED FROM SAID CONDUCTIVE SURFACE AND FACING SAID BEAM AND MEANS FOR CIRCULATING A COOLING FLUID IN THE VOLUME BETWEEN SAID CONDUCTIVE SURFACE AND SAID MEMBRANE TO REMOVE AND DISSIPATE HEAT GENERATED IN SAID MEMBRANE AND SAID CONDUCTIVE SURFACE BY SAID ELECTRON BEAM.
References Cited (Backward Citations)
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |