US3286524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal measuring apparatus
Assignee: Boeing Co
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Filing: 1963-06-04
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Granted: 1966-11-22
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Erle W Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:02
CPC Classifications
G; G01; G01K; G01K3/00; G01K13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THERMAL MEASUREMENT APPARATUS COMPRISING TWO TEMPERATURE SENSITIVE ELECTRICAL TRANSDUCER DEVICES HAVING PREDETERMINED THERMAL CAPACITIES, RESPECTIVELY DIFFERENT ELECTRICAL RESPONSE SENSITIVITIES TO TEMPERATURE AND HAVING THERMAL IMPEDANCES THE RATIO OF WHICH IS SUBSTANTIALLY THE INVERSE OF THE RATIO OF THEIR RESPECTIVE ELECTRICAL RESPONSE SENSITIVITIES, WITH THE RATIO OF THE RESPECTIVE THREMAL CAPACITIES OF SUCH DEVICES BEING SUBSTANTIALLY EQUAL TO THE INVERSE RATIO OF THEIR RESPECTIVE THERMAL IMPEDANCES, MEANS TO PRESENT SAID TWO TRANSDUCER ELEMENTS TO THE SAME TEMPERATURE CONDITION TO BE MEASURED, AND ELECTRICAL MEANS CONNECTED TO THE TWO TRANDUCER DEVICES FOR DETECTING THE DIFFERENCE OF THE RESPONSES THEREOF.
Claim 2
Dependent Claim
97 words
THERMAL MEASUREMENT APPARATUS COMPRISING TWO TEMPERATURE SENSITIVE ELECTRICAL TRANSDUCER DEVICES HAVING PREDETERMINED THERMAL CAPACITIES, RESPECTIVELY DIFFERENT ELECTRICAL RESPONSE SENSITIVITIES TO TEMPERATURE AND HAVING THERMAL IMPEDANCES THE RATIO OF WHICH IS SUBSTANTIALLY THE INVERSE OF THE RATIO OF THEIR RESPECTIVE ELECTRICAL RESPONSE SENSITIVITIES, WITH THE RATIO OF THE RESPECTIVE THREMAL CAPACITIES OF SUCH DEVICES BEING SUBSTANTIALLY EQUAL TO THE INVERSE RATIO OF THEIR RESPECTIVE THERMAL IMPEDANCES, MEANS TO PRESENT SAID TWO TRANSDUCER ELEMENTS TO THE SAME TEMPERATURE CONDITION TO BE MEASURED, AND ELECTRICAL MEANS CONNECTED TO THE TWO TRANDUCER DEVICES FOR DETECTING THE DIFFERENCE OF THE RESPONSES THEREOF.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |