US2588998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple
Assignee: Individual
•
Filing: 1950-06-16
•
Granted: 1952-03-11
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Walter C Troy
- 👤 Steven Gary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:54
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A THERMOCOUPLE COMPRISING AN ELEMENT OF SUBSTANTIALLY PURE TUNGSTEN AND AN ELEMENT OF SUBSTANTIALLY PURE IRIDIUM JOINED TOGETHER AT ONE POINT.
Claim 2
Dependent Claim
21 words
A THERMOCOUPLE COMPRISING AN ELEMENT OF SUBSTANTIALLY PURE TUNGSTEN AND AN ELEMENT OF SUBSTANTIALLY PURE IRIDIUM JOINED TOGETHER AT ONE POINT.
References Cited (Backward Citations)
US1584882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |