US3233404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion gun with capillary emitter fed with ionizable metal vapor
Assignee: Thales SA
•
Filing: 1963-03-14
•
Granted: 1966-02-08
•
Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Huber Harry
- 👤 Bihan Raymond Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
H; H01; H01J; H01J27/00; H01J27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN ION GUN, COMPRISING: A CAPILLARY BODY OF A REFRACTORY METAL HAVING AT LEAST ONE STRAIGHT CAPILIARY DUCT, MEANS FOR FEEDING SAID DUCT WITH A VAPORIZED METAL CHOSEN FROM THE GROUP CONSISTING OF CESIUM, RUBIDIUM AND POTASSIUM, MEANS FOR HEATING SAID DUCT TO THEREBY IONIZE SAID VAPORIZED METAL, AND MEANS INCLUDING NEGATIVELY BIASED ACCELERATING ELECTRODE MEANS FOR EXTRACTING IONS OF SAID METAL FROM SAID DUCT.
Claim 2
Dependent Claim
65 words
AN ION GUN, COMPRISING: A CAPILLARY BODY OF A REFRACTORY METAL HAVING AT LEAST ONE STRAIGHT CAPILIARY DUCT, MEANS FOR FEEDING SAID DUCT WITH A VAPORIZED METAL CHOSEN FROM THE GROUP CONSISTING OF CESIUM, RUBIDIUM AND POTASSIUM, MEANS FOR HEATING SAID DUCT TO THEREBY IONIZE SAID VAPORIZED METAL, AND MEANS INCLUDING NEGATIVELY BIASED ACCELERATING ELECTRODE MEANS FOR EXTRACTING IONS OF SAID METAL FROM SAID DUCT.
References Cited (Backward Citations)
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Cited
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Cited
US3005931A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |