US3610045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouples
Assignee: Park Ohio Holdings Corp
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Filing: 1965-04-01
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Granted: 1971-10-05
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Expires: 1985-04-01
Abstract
Abstract A TEMPERATURE MEASURING DEVICE PARTICULARLY FOR A BATH OF MOLTEN IRON. A THERMOCOUPLE IS DISPOSED WITHIN A HOLLOW CERAMIC REFRACTORY PROTECTIVE SHEATH PLACED IN A WALL OF THE FURNACE. THE THICKNESS OF THE SHEATH AT ITS INTERSECTION WITH THE SURFACE FURNACE WALL IS GREATER THAN THE THICKNESS AT THE TIP OF THS SHEATH WHICH CONTAINS THE THERMOCOUPLE JUNCTION.
Inventors
- 👤 Wilbur E Shearman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:45
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08; H; H10; H10N; H10N10/00; H10N10/10; H10N10/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |