Patent US3139667A successfully refreshed from Google Patents.
US3139667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electron tubes
Assignee: RCA Corp
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Filing: 1961-02-02
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Granted: 1964-07-07
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Expires: 1981-02-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry V Knauf
- 👤 Jr George M Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:35
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J19/46; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
METHOD OF MAKING AN ELECTRON TUBE MOUNT COMPRISING THE STEPS OF ASSEMBLING TUBULAR ELECTRODES IN CONCENTRIC RELATION, ASSEMBLING ELECTRODE SUPPORTS IN LOOSE CONTACT RELATION WITH SAID ELECTRODES, SUPPORTING AN INSULATING WAFER HAVING OPENINGS THERETHROUGH IN SPACED RELATION TO SAID SUPPORTS WITH SAID OPENINGS ALIGNED WITH RELATION TO SAID SUPPORTS WITH SAID OPENINGS ALIGNED WITH PORTIONS OF SAID SUPPORTS, EXTENDING WIRES THROUGH SAID OPENINGS INTO CONTACT RELATION WITH SAID SUPPORTS AND THE WALLS OF SAID OPENINGS, SUPPLYING BRAZING MATERIAL IN A POSITION TO FLOW BETWEEN PARTS TO BE BONDED AND HEATING THE RESULTANT STRUCTURE TO A TEMPERATURE SUFFICIENT TO BOND SIMULTANEOUSLY SAID ELECTRODES TO SAID SUPPORTS, SAID SUPPORTS TO SAID WIRES AND SAID WIRES TO SAID WAFER, TO PROVIDE A SUBSTANTIALLY STRAIN-FREE STRUCTURE.
Claim 2
Dependent Claim
122 words
METHOD OF MAKING AN ELECTRON TUBE MOUNT COMPRISING THE STEPS OF ASSEMBLING TUBULAR ELECTRODES IN CONCENTRIC RELATION, ASSEMBLING ELECTRODE SUPPORTS IN LOOSE CONTACT RELATION WITH SAID ELECTRODES, SUPPORTING AN INSULATING WAFER HAVING OPENINGS THERETHROUGH IN SPACED RELATION TO SAID SUPPORTS WITH SAID OPENINGS ALIGNED WITH RELATION TO SAID SUPPORTS WITH SAID OPENINGS ALIGNED WITH PORTIONS OF SAID SUPPORTS, EXTENDING WIRES THROUGH SAID OPENINGS INTO CONTACT RELATION WITH SAID SUPPORTS AND THE WALLS OF SAID OPENINGS, SUPPLYING BRAZING MATERIAL IN A POSITION TO FLOW BETWEEN PARTS TO BE BONDED AND HEATING THE RESULTANT STRUCTURE TO A TEMPERATURE SUFFICIENT TO BOND SIMULTANEOUSLY SAID ELECTRODES TO SAID SUPPORTS, SAID SUPPORTS TO SAID WIRES AND SAID WIRES TO SAID WAFER, TO PROVIDE A SUBSTANTIALLY STRAIN-FREE STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |