US3673003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple for nuclear environment
Assignee: Carpenter Technology Corp
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Filing: 1969-09-18
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Granted: 1972-06-27
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Expires: 1989-09-18
Abstract
Abstract A THERMOCOUPLE WHICH EXHIBITS SUBSTANTIALLY NO CHANGE IN COMPOSITION WHEN EXPOSED TO NEUTRON IRRADIATION. THE POSITIVE THERMOELEMENT OF THIS TERMOCOUPLE COMPRISES, AS EXPRESSED IN PERCENT BY WEIGHT: 8%-10% CHROMIUM; 0%-1.5% SILICON; AND BALANCE - NICKEL THE NEGATIVE THERMOELEMENT OF THIS THERMOCOUPLE COMPRISES, AS EXPRESSED IN PERCENT BY WEIGHT: 25%-35% CHROMIUM; 0%-1.5% SILICON; AND BALANCE - NICKEL
Inventors
- 👤 Carrol Dean Starr
- 👤 Teh Po Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:31
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/854; H10N10/8556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |