Patent US3049577A successfully refreshed from Google Patents.
US3049577A
Expired / Lapsed
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Composite material and thermocouple made therefrom
Assignee: Engelhard Industries Inc
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Filing: 1959-08-28
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Granted: 1962-08-14
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Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 James S Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12771; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A THERMOCOUPLE COMPRISING A COMPOSITE NEGATIVE ELEMENT COMPOSED OF A CORE OF A PLATINUM GROUP METAL WITHIN A SHEATH COMPOSED OF A PLATINUM GROUP METAL, THE CORE CONSISTING OF A PLURALITY OF COMPACTED INTERFUSED ELONGATED MEMBERS IN DIRECT CONTACT WITH THE SHEATH, THE SHEATH AND CORE HAVING THE SAME METAL, COMPOSITION, AND A POSITIVE ELEMENT COMPOSED OF AN ALLOY OF PLATINUM GROUP METALS BONDED TO THE COMPOSITE NEGATIVE ELEMENT.
Claim 2
Dependent Claim
69 words
A THERMOCOUPLE COMPRISING A COMPOSITE NEGATIVE ELEMENT COMPOSED OF A CORE OF A PLATINUM GROUP METAL WITHIN A SHEATH COMPOSED OF A PLATINUM GROUP METAL, THE CORE CONSISTING OF A PLURALITY OF COMPACTED INTERFUSED ELONGATED MEMBERS IN DIRECT CONTACT WITH THE SHEATH, THE SHEATH AND CORE HAVING THE SAME METAL, COMPOSITION, AND A POSITIVE ELEMENT COMPOSED OF AN ALLOY OF PLATINUM GROUP METALS BONDED TO THE COMPOSITE NEGATIVE ELEMENT.
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |