US2981775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxide thermocouple device
Assignee: Steatite Research Corp
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Filing: 1958-11-12
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Granted: 1961-04-25
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Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 George S Bachman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:19
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A THERMOCOUPLE DEVICE COMPRISING A PAIR OF SINTERED OXIDE LEGS, A SINTERED HOT JUNCTION BETWEEN THE TWO LEGS AT ONE END THEREOF, THE FIRST OF SAID LEGS CONSISTING ESSENTIALLY OF AT LEAST ONE MIXED OXIDE SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM OXIDE STABILIZED WITH ABOUT 3-5% OF CAO, ZIRCONIUM OXIDE PLUS ABOUT 15% OF CERIA AND STABILIZED WITH ABOUT 3-5% OF CAO, FE3O4, FERRITES, (NIO).90(LI2O).10, LANTHANUM-STRONTIUM MANGANITE, AND (ZNO).97(AL2O3).03, THE SECOND OF SAID LEGS CONSISTING ESSENTIALLY OF A DIFFERENT ONE OF SAID OXIDE MIXTURES.
Claim 2
Dependent Claim
85 words
A THERMOCOUPLE DEVICE COMPRISING A PAIR OF SINTERED OXIDE LEGS, A SINTERED HOT JUNCTION BETWEEN THE TWO LEGS AT ONE END THEREOF, THE FIRST OF SAID LEGS CONSISTING ESSENTIALLY OF AT LEAST ONE MIXED OXIDE SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM OXIDE STABILIZED WITH ABOUT 3-5% OF CAO, ZIRCONIUM OXIDE PLUS ABOUT 15% OF CERIA AND STABILIZED WITH ABOUT 3-5% OF CAO, FE3O4, FERRITES, (NIO).90(LI2O).10, LANTHANUM-STRONTIUM MANGANITE, AND (ZNO).97(AL2O3).03, THE SECOND OF SAID LEGS CONSISTING ESSENTIALLY OF A DIFFERENT ONE OF SAID OXIDE MIXTURES.
References Cited (Backward Citations)
US2675417A
Cited
US2912477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |