Patent US4484319A successfully refreshed from Google Patents.
Patent US3010480A successfully refreshed from Google Patents.
US3010480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple tube and protective coating
Assignee: Individual
•
Filing: 1958-10-13
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Granted: 1961-11-28
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Ragsdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:06
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08; C; C23; C23C; C23C4/00; C23C4/02; C23C4/04; C23C4/10; C23C4/11; C23C4/18; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A THERMOCOUPLE TUBE COMPRISING A HOLLOW CYLINDRICAL MEMBER HAVING FIRST AND SECOND END PORTIONS, SAID FIRST END PORTION BEING CLOSED A GENERALLY CONCIAL SHAPED CLOSURE MEMBER, A CORROSION RESISTANT COATING ON THE OUTSIDE OF SAID TUBE INCLUDING A FIRST LAYER ON SAID TUBE OF AN ALLOY WHICH COMPRISES CR AND NI AND A FLUXING AGENT, A SECOND LAYER ON SAID FIRST LAYER ON SAID SECOND WHICH COMPRISES NI AND CR, A THIRD LAYER ON SAID SECOND LAYER, SAID THIRD LAYER COMPRISING A POROUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZIRCONIUM OXIDE AND A SEALER OF ALUMINUM.
Claim 2
Dependent Claim
99 words
A THERMOCOUPLE TUBE COMPRISING A HOLLOW CYLINDRICAL MEMBER HAVING FIRST AND SECOND END PORTIONS, SAID FIRST END PORTION BEING CLOSED A GENERALLY CONCIAL SHAPED CLOSURE MEMBER, A CORROSION RESISTANT COATING ON THE OUTSIDE OF SAID TUBE INCLUDING A FIRST LAYER ON SAID TUBE OF AN ALLOY WHICH COMPRISES CR AND NI AND A FLUXING AGENT, A SECOND LAYER ON SAID FIRST LAYER ON SAID SECOND WHICH COMPRISES NI AND CR, A THIRD LAYER ON SAID SECOND LAYER, SAID THIRD LAYER COMPRISING A POROUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZIRCONIUM OXIDE AND A SEALER OF ALUMINUM.
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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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |