US2697734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple protecting tube
Assignee: Olin Corp
•
Filing: 1951-08-04
•
Granted: 1954-12-21
•
Expires: 1971-08-04
Abstract
No abstract record available.
Inventors
- 👤 Carl M Zvanut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:26
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
AS A PROTECTING DEVICE FOR A THERMOCOUPLE, A TUBE FORMED OF SUBSTANTIALLY BORON AND ZIRCONIUM AND HAVING A CLOSED END ADAPTED FOR IMMERSION IN MOLTEN METAL.
Claim 2
Dependent Claim
26 words
AS A PROTECTING DEVICE FOR A THERMOCOUPLE, A TUBE FORMED OF SUBSTANTIALLY BORON AND ZIRCONIUM AND HAVING A CLOSED END ADAPTED FOR IMMERSION IN MOLTEN METAL.
References Cited (Backward Citations)
US1773826A
Cited
GB393403A
Cited
US2094102A
Cited
US2207558A
Cited
US2372212A
Cited
US2571700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |