US3007989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for measuring high temperatures
Assignee: Unifrax I LLC
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Filing: 1958-11-10
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Granted: 1961-11-07
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Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Nicholson
- 👤 Roger C Emanuelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; G01K7/06; H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/855; H10N10/8556; Y; Y10; Y10S; Y10S148/00; Y10S148/074
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A THERMOCOUPLE COMPRISING TWO THERMOELEMENTS, ONE OF SAID THERMOELEMENTS CONSISTING ESSENTIALLY OF SILICON CARBIDE HAVING A POSITIVE THERMOELECTRIC CHARACTERISTIC RELATIVE TO GRAPHITE AT TEMPERATURES ABOVE ROOM TEMPERATURE AND THE OTHER OF SAID THERMOELEMENTS CONSISTING ESSENTIALLY OF SILICON CARBIDE HAVING A NEGATIVE THERMOELECTRIC CHARACTERISTIC RELATIVE TO GRAPHITE AT TEMPERATURES ABOVE ROOM TEMPERATURE.
Claim 2
Dependent Claim
51 words
A THERMOCOUPLE COMPRISING TWO THERMOELEMENTS, ONE OF SAID THERMOELEMENTS CONSISTING ESSENTIALLY OF SILICON CARBIDE HAVING A POSITIVE THERMOELECTRIC CHARACTERISTIC RELATIVE TO GRAPHITE AT TEMPERATURES ABOVE ROOM TEMPERATURE AND THE OTHER OF SAID THERMOELEMENTS CONSISTING ESSENTIALLY OF SILICON CARBIDE HAVING A NEGATIVE THERMOELECTRIC CHARACTERISTIC RELATIVE TO GRAPHITE AT TEMPERATURES ABOVE ROOM TEMPERATURE.
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |