US2707198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple
Assignee: DuPont Canada Inc
•
Filing: 1954-01-04
•
Granted: 1955-04-26
•
Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 Elwyn D Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A INEXXXX UNXX COMPRISING IN COMBINATION A PAIR OF DISSIMILAR METALLIC WIRES TWISTED AND WELDED TOGETHER TO FORM A JUNCTION SAID JUNCTION EXHIBITING THERMOELECTRIC PROPERTIES THE ENDS OF SAID WIRES BEING SUPPORTED BY THERMAL-RESISTIVE ELECTRICAL-RESISTIVE MEANS IN TURN BEING SUPPORTED BY A CORROSION-RESISTIVE STEEL ME-
Claim 2
Dependent Claim
45 words
A INEXXXX UNXX COMPRISING IN COMBINATION A PAIR OF DISSIMILAR METALLIC WIRES TWISTED AND WELDED TOGETHER TO FORM A JUNCTION SAID JUNCTION EXHIBITING THERMOELECTRIC PROPERTIES THE ENDS OF SAID WIRES BEING SUPPORTED BY THERMAL-RESISTIVE ELECTRICAL-RESISTIVE MEANS IN TURN BEING SUPPORTED BY A CORROSION-RESISTIVE STEEL ME-
References Cited (Backward Citations)
US1422672A
Cited
US2218622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |