US3187216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun having a releasably clamped electron emitting element
Assignee: Welding Research Inc
•
Filing: 1961-05-12
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Granted: 1965-06-01
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Sciaky David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:49
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/06; H01J37/07; H01J37/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A DEVICE OF THE CHARACTER DESCRIBED, IN COMBINATION, A BODY PORTION OF INSULATING MATERIAL, A CYLINDRICAL CAGE OF METAL DEPENDING FROM THE BODY PORTION, A PAIR OF CURRENT CONDUCTING ELECTRODES EXTENDING LONGITUDINALLY WITHIN THE CAGE AND BEING SUPPORTED FROM THE BODY PORTION, CLAMPING MEANS CARRIED BY EACH OF THE ELECTRODES FOR RELEASABLY CLAMPING AN ELECTRON EMITTING ELEMENT TO SAID ELECTRODES AT THE DEPENDING TERMINAL END OF THE SAME, EACH CLAMPING MEANS INCLUDING A CLAMPING BAR AND A MEMBER FOR SPRING LOADING THE BAR, A CATHODE ADAPTED TO BE RELEASABLY SECURED TO THE DEPENDING TERMINAL END OF THE CAGE AND IN POSITION FOR COACTING RELATION WITH THE ELECTRON EMITTING ELEMENT, AND MEANS FOR RELEASABLY SECURING THE CATHODE TO SAID CAGE.
Claim 2
Dependent Claim
120 words
IN A DEVICE OF THE CHARACTER DESCRIBED, IN COMBINATION, A BODY PORTION OF INSULATING MATERIAL, A CYLINDRICAL CAGE OF METAL DEPENDING FROM THE BODY PORTION, A PAIR OF CURRENT CONDUCTING ELECTRODES EXTENDING LONGITUDINALLY WITHIN THE CAGE AND BEING SUPPORTED FROM THE BODY PORTION, CLAMPING MEANS CARRIED BY EACH OF THE ELECTRODES FOR RELEASABLY CLAMPING AN ELECTRON EMITTING ELEMENT TO SAID ELECTRODES AT THE DEPENDING TERMINAL END OF THE SAME, EACH CLAMPING MEANS INCLUDING A CLAMPING BAR AND A MEMBER FOR SPRING LOADING THE BAR, A CATHODE ADAPTED TO BE RELEASABLY SECURED TO THE DEPENDING TERMINAL END OF THE CAGE AND IN POSITION FOR COACTING RELATION WITH THE ELECTRON EMITTING ELEMENT, AND MEANS FOR RELEASABLY SECURING THE CATHODE TO SAID CAGE.
References Cited (Backward Citations)
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Cited
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |