US2915575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for prolonging life of thermocouples
Assignee: HOSKINS ALLOYS LLC
•
Filing: 1956-07-09
•
Granted: 1959-12-01
•
Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 John M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:57
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE METHOD OF PROLONGING THE LIFE OF A THERMOCOUPLE ONE ELEMENT OF WHICH COMPRISES A NICKEL-CHROMIUM ALLOY WHICH COMPRISES SEALING THE THERMOCOUPLE IN A PROTECTION TUBE FORMED OF A RELATIVELY NON-OXIDIZING MA-
Claim 2
Independent Claim
32 words
THE METHOD OF PROLONGING THE LIFE OF A THERMOCOUPLE ONE ELEMENT OF WHICH COMPRISES A NICKEL-CHROMIUM ALLOY WHICH COMPRISES SEALING THE THERMOCOUPLE IN A PROTECTION TUBE FORMED OF A RELATIVELY NON-OXIDIZING MA-
References Cited (Backward Citations)
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US2012465A
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US2173259A
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US2381819A
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US2493659A
Cited
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Cited
US2802894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |