Patent US3143684A successfully refreshed from Google Patents.
US3143684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metallic electrode material and electrodes made therefrom
Assignee: Texas Instruments Inc
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Filing: 1959-10-27
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Granted: 1964-08-04
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Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:34
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A FIVE-LAYERED COMPOSITE ELECTRODE, MATERIAL HAVING IMPROVED THERMAL EMISSION, THERMAL CONDUCTION AND THERMAL RADIATION PROPERTIES COMPRISING TWO LAYERS OF STEEL EACH METALLURGICALLY BONDED TO AND SANDWICHING THEREBETWEEN A LAYER OF AN ELECTRICALLY CONDUCTIVE MATERIAL OF HIGH THERMAL CONDUCTIVITY, A FIRST LAYER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND NICKEL METALLURIGICALLY BONDED TO ONE OF SAID LAYERS OF STEEL AND A SECOND LAYER SELECTED FROM THE GROUP CONSISING OF NICKEL AND COPPER METALLURGICALLY BONDED TO THE OTHER OF SAID LAYERS OF STEEL, SAID FIRST LAYER BEIG ALUMINUM WHEN SAID SECOND LAYER IS COPPER.
Claim 2
Dependent Claim
93 words
A FIVE-LAYERED COMPOSITE ELECTRODE, MATERIAL HAVING IMPROVED THERMAL EMISSION, THERMAL CONDUCTION AND THERMAL RADIATION PROPERTIES COMPRISING TWO LAYERS OF STEEL EACH METALLURGICALLY BONDED TO AND SANDWICHING THEREBETWEEN A LAYER OF AN ELECTRICALLY CONDUCTIVE MATERIAL OF HIGH THERMAL CONDUCTIVITY, A FIRST LAYER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND NICKEL METALLURIGICALLY BONDED TO ONE OF SAID LAYERS OF STEEL AND A SECOND LAYER SELECTED FROM THE GROUP CONSISING OF NICKEL AND COPPER METALLURGICALLY BONDED TO THE OTHER OF SAID LAYERS OF STEEL, SAID FIRST LAYER BEIG ALUMINUM WHEN SAID SECOND LAYER IS COPPER.
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |