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US2948766A
Expired / Lapsed
US
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Tungsten/rhenium thermocouples
Assignee: Evonik Operations GmbH
•
Filing: 1956-04-30
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Granted: 1960-08-09
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Schneider Gunther
- 👤 Boettcher Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:29
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A THERMOCOUPLE WHICH COMPRISES ONE ELEMENT COMPOSED OF RHENIUM AND ANOTHER ELEMENT COMPOSED OF A REFRACTORY METAL FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, SAID ELEMENTS BENG JOINED AT ONE END.
Claim 2
Dependent Claim
32 words
A THERMOCOUPLE WHICH COMPRISES ONE ELEMENT COMPOSED OF RHENIUM AND ANOTHER ELEMENT COMPOSED OF A REFRACTORY METAL FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, SAID ELEMENTS BENG JOINED AT ONE END.
References Cited (Backward Citations)
GB190657A
Cited
US2012465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |