Patent US2946835A successfully refreshed from Google Patents.
US2946835A
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Carbon-carbon boron thermocouple
Assignee: Union Carbide Corp
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Filing: 1957-08-12
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Granted: 1960-07-26
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Russell D Westbrook
- 👤 Robert L Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:11
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/855; G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; G01K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A THERMOCOUPLE FOR MEASURING TEMPERATURES ABOVE 2000*C. WHEREIN ONE OF THE ELEMENTS THEREOF CONSIST OF A CRYSTALLINE CARBON ARTICLE THERMOELECTRICALLY MODIFIED BY THE INCLUSION AS AN ESSENTIAL CONSTITUTENT THEREIN OF ATOMS OF BORON AS IMPURITIES IN SAID CARBON, SAID BORON BEING PRESENT IN AN AMOUNT BETWEEN 0.1 PERCENT AND 5.0 PERCENT BY WEIGHT OF SAID ARTICLE, SAID BORON BEING SO DISPOSED THEREIN AS TO ALTER THE THERMOELECTROMOTIVE FORCE OR SAID CARBON ARTICLE.
Claim 2
Dependent Claim
72 words
A THERMOCOUPLE FOR MEASURING TEMPERATURES ABOVE 2000*C. WHEREIN ONE OF THE ELEMENTS THEREOF CONSIST OF A CRYSTALLINE CARBON ARTICLE THERMOELECTRICALLY MODIFIED BY THE INCLUSION AS AN ESSENTIAL CONSTITUTENT THEREIN OF ATOMS OF BORON AS IMPURITIES IN SAID CARBON, SAID BORON BEING PRESENT IN AN AMOUNT BETWEEN 0.1 PERCENT AND 5.0 PERCENT BY WEIGHT OF SAID ARTICLE, SAID BORON BEING SO DISPOSED THEREIN AS TO ALTER THE THERMOELECTROMOTIVE FORCE OR SAID CARBON ARTICLE.
References Cited (Backward Citations)
US1897214A
Cited
US2152153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |