US3554002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential thermal analysis sample cell
Assignee: EIDP Inc
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Filing: 1967-02-17
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Granted: 1971-01-12
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Expires: 1987-02-17
Abstract
Abstract A MICRO-CELL USEFUL FOR CONDUCTING DIFFERENTIAL THERMAL ANALYSIS CONSTRUCTED BY JOINING TWO RECEPTACLES MADE OF A THERMOCOUPLE MATERIAL BY A CONNECTOR MADE OF THE SAME THERMOCOUPLE MATERIAL, SECURING A LEAD, ALSO MADE OF THE SAME THERMOCOUPLE MATERIAL, TO THE CONNECTOR OR THE RECEPTACLES, ATTACHING A LEAD MADE OF A SECOND THERMOCOUPLE MATERIAL TO EACH OF THE AFOREMENTIONED RECEPTACLES AND MEASURING THE VOLTAGES DEVELOPED ACROSS THE LEADS TO DETERMINE THE TEMPERATURE DIFFERENTIAL AS A FUNCTION OF TEMPERATURE.
Inventors
- 👤 John Charles Harden
- 👤 Donald Arthur Vassalio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:32
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01K; G01K3/00; G01K3/08; G01K3/14; G01N25/20; G01N25/48; G01N25/4806; G01N25/4813; G01N25/482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |