US3103641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistance thermometer
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1961-03-20
•
Granted: 1963-09-10
•
Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Leroy J Gee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:40
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A HIGH-TEMPERATURE RESISTANCE THERMOMETER: A PAIR OF SPACE REFRACTORY METAL ELECTRICAL LEADS; A TEMPERTURE SENSOR BRIDGING AND BONDED TO SAID ELECTRICAL LEADS, SAID SENSOR BEING MADE OF A REFRACTORY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF BERYLLIA MAGNESIA THORIA, AND ZIRCONIA AND HAVING A NEGATIVE TEMPERATURE COEFFICIENT OF RESISTIVITY; THE ELECTRICAL RESISTANCE OF SAID LEADS BEING LOWER THAN THE ELECTRICAL RESISTANCE TO SAID SENSOR; AND SAID LEADS BEING COATED WITH A FIRST INNER FILM OF A GETTER MATERIAL SELECTED FROM THE GROUP CONSISITNG OF
Claim 2
Dependent Claim
86 words
IN A HIGH-TEMPERATURE RESISTANCE THERMOMETER: A PAIR OF SPACE REFRACTORY METAL ELECTRICAL LEADS; A TEMPERTURE SENSOR BRIDGING AND BONDED TO SAID ELECTRICAL LEADS, SAID SENSOR BEING MADE OF A REFRACTORY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF BERYLLIA MAGNESIA THORIA, AND ZIRCONIA AND HAVING A NEGATIVE TEMPERATURE COEFFICIENT OF RESISTIVITY; THE ELECTRICAL RESISTANCE OF SAID LEADS BEING LOWER THAN THE ELECTRICAL RESISTANCE TO SAID SENSOR; AND SAID LEADS BEING COATED WITH A FIRST INNER FILM OF A GETTER MATERIAL SELECTED FROM THE GROUP CONSISITNG OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |