US3196307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge device with grid wire tensioning means and method
Assignee: General Electric Co
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Filing: 1961-05-01
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Granted: 1965-07-20
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Windel H Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:59
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/36; H01J19/00; H01J19/28; H01J19/38; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0015; H01J2893/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A GIRD ELECTRODE ASSEMBLY FOR ELECTRON DISCHARGE DEVICES, COMPRISING A SUPORT, A PLURALITY OF GRD WIRES DISPOSED IN PARALLEL ARRAY ON SAID SUPPORT, AN ANNULAR TERMINAL MEMBER HAVING A PAIR OF PROJECTIONS ADAPTED TO ENGAGE SAID SUPPORT OVER PREDETERMINED SMALL PORTION THEREOF, THE REMAINING PORTION OF SAID SUPPORT BEING DISPOSED IN SPACE RELATION TO SAID TERMINAL MEMBER, SAID PROFECTIONS AND SAID SUPPORT BEING OF DISSIMILAR MATERIALS HAVING UNEQUAL COEFFICIENTS OF THERMAL EXPANSION, THE COEFFICIENT OF EXPANSION OF SAID TERIMINAL MEMBER BEING HIGH RELATIVE TO THE COEFFICIENT OF EXPANSION OF SAID SUPPORT AND ADAPTED TO FUSE TOGETHER AT ELEVATED TEMPERATURES OF FABRI CATION OF THE DEVICES, WHEREBY UPON COOLING OF SAID AS SEMBLY FROM SAID ELEVATED TEMPERATURE, LINEAR CONTRACTION OF SAID SUPPORT OCCURS ALONG A LINE JOINING SAID PREDETERMINED SMALL PORTIONS OF SAID SUPPORT AND LINEAR ELONGATION OCCURS IN A DIRECTION PERPENDICULAR THERETO.
Claim 2
Dependent Claim
142 words
A GIRD ELECTRODE ASSEMBLY FOR ELECTRON DISCHARGE DEVICES, COMPRISING A SUPORT, A PLURALITY OF GRD WIRES DISPOSED IN PARALLEL ARRAY ON SAID SUPPORT, AN ANNULAR TERMINAL MEMBER HAVING A PAIR OF PROJECTIONS ADAPTED TO ENGAGE SAID SUPPORT OVER PREDETERMINED SMALL PORTION THEREOF, THE REMAINING PORTION OF SAID SUPPORT BEING DISPOSED IN SPACE RELATION TO SAID TERMINAL MEMBER, SAID PROFECTIONS AND SAID SUPPORT BEING OF DISSIMILAR MATERIALS HAVING UNEQUAL COEFFICIENTS OF THERMAL EXPANSION, THE COEFFICIENT OF EXPANSION OF SAID TERIMINAL MEMBER BEING HIGH RELATIVE TO THE COEFFICIENT OF EXPANSION OF SAID SUPPORT AND ADAPTED TO FUSE TOGETHER AT ELEVATED TEMPERATURES OF FABRI CATION OF THE DEVICES, WHEREBY UPON COOLING OF SAID AS SEMBLY FROM SAID ELEVATED TEMPERATURE, LINEAR CONTRACTION OF SAID SUPPORT OCCURS ALONG A LINE JOINING SAID PREDETERMINED SMALL PORTIONS OF SAID SUPPORT AND LINEAR ELONGATION OCCURS IN A DIRECTION PERPENDICULAR THERETO.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |