US2750791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric instrument for testing materials
Assignee: Motors Liquidation Co
•
Filing: 1952-11-06
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Granted: 1956-06-19
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Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Hanysz
- 👤 Jr Edward F Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:47
CPC Classifications
G; G01; G01K; G01K13/00; G01N; G01N25/00; G01N25/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN INSTRUMENT FOR THE STUDY OF THERMAL AND ELECTRICAL CHARACTERISTICS OF METAL OBJECTS COMPRISING A LEAF SPRING MEMBER, A SUPPORT THEREFOR, A PLURALITY OF SPACED PROBLES SECURED TO SAID LEAF SPRING MEMBER, MEANS SURROUNDING AT LEAST ONE OF SAID SPACED PROBES FOR HEATING THE SAME TO A FIXED TEMPERATURE ABOVE THAT OF ANOTHER OF SAID PLURALITY OF SPACED PROBES AND AN ELECTRICAL LEAD CONNECTING EACH OF SAID PLURALITY OF PROBES TO AN ELECTRICAL MEASURING DEVICE, THE CIRCUIT TO SAID ELECTRICAL MEASURING DEVICE BEING COMPLETED THROUGH SAID OBJECT CONTACTED BY THE FREE ENDS OF THE PLURALITY OF SPACED PROBES DURING A TESTING OPERATION, EACH OF THE FREE ENDS OF THE PROBES FORMING A THERMOELECTRIC JUNCTION WITH SAID OBJECT.
Claim 2
Dependent Claim
117 words
AN INSTRUMENT FOR THE STUDY OF THERMAL AND ELECTRICAL CHARACTERISTICS OF METAL OBJECTS COMPRISING A LEAF SPRING MEMBER, A SUPPORT THEREFOR, A PLURALITY OF SPACED PROBLES SECURED TO SAID LEAF SPRING MEMBER, MEANS SURROUNDING AT LEAST ONE OF SAID SPACED PROBES FOR HEATING THE SAME TO A FIXED TEMPERATURE ABOVE THAT OF ANOTHER OF SAID PLURALITY OF SPACED PROBES AND AN ELECTRICAL LEAD CONNECTING EACH OF SAID PLURALITY OF PROBES TO AN ELECTRICAL MEASURING DEVICE, THE CIRCUIT TO SAID ELECTRICAL MEASURING DEVICE BEING COMPLETED THROUGH SAID OBJECT CONTACTED BY THE FREE ENDS OF THE PLURALITY OF SPACED PROBES DURING A TESTING OPERATION, EACH OF THE FREE ENDS OF THE PROBES FORMING A THERMOELECTRIC JUNCTION WITH SAID OBJECT.
References Cited (Backward Citations)
US1648939A
Cited
US1942519A
Cited
FR713640A
Cited
DE702856C
Cited
US2279846A
Cited
US2323715A
Cited
US2446283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |