US3075377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining thermal conductivity of materials
Assignee: Owens Corning
•
Filing: 1956-10-17
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Granted: 1963-01-29
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Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 David L Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
APPARATUS FOR DETERMINING HEAT FLOW CHARACTERISTICS OF MATERIALS INCLUDING, IN COMBINATION, A PAIR OF ELEMENTS OF DIFFERENTIAL TEMPERATURE ADAPTED TO RESPECTIVELY ENGAGE EXTERIOR PARALLEL SURFACES OF A SPECIMEN OF MATERIAL, A THERMOELECTRIC TRANSDUCER DISPOSED IN THE SPECIMEN IN A PLANE PARALLEL TO THE SURFACES AND MIDWAY BETWEEN THE EXTERIOR MAJOR SURFACES OF THE SPECIMEN, PORTIONS OF THE SPECIMEN EXTENDING BEYOND THE TRANSDUCER WHEREBY THE TRANSDUCER IS CONTAINED WITHIN THE SPECIMEN, MEANS FOR SUPPLYING HEAT TO THE ELEMENT OF HIGHEST TEMPERATURE TO EFFECT HEAT FLOW THROUGH THE SPECIMEN OF MATERIAL AND THERMOELECTRIC TRANSDUCER TOWARD THE ELEMENT OF LOWER
Claim 2
Dependent Claim
97 words
APPARATUS FOR DETERMINING HEAT FLOW CHARACTERISTICS OF MATERIALS INCLUDING, IN COMBINATION, A PAIR OF ELEMENTS OF DIFFERENTIAL TEMPERATURE ADAPTED TO RESPECTIVELY ENGAGE EXTERIOR PARALLEL SURFACES OF A SPECIMEN OF MATERIAL, A THERMOELECTRIC TRANSDUCER DISPOSED IN THE SPECIMEN IN A PLANE PARALLEL TO THE SURFACES AND MIDWAY BETWEEN THE EXTERIOR MAJOR SURFACES OF THE SPECIMEN, PORTIONS OF THE SPECIMEN EXTENDING BEYOND THE TRANSDUCER WHEREBY THE TRANSDUCER IS CONTAINED WITHIN THE SPECIMEN, MEANS FOR SUPPLYING HEAT TO THE ELEMENT OF HIGHEST TEMPERATURE TO EFFECT HEAT FLOW THROUGH THE SPECIMEN OF MATERIAL AND THERMOELECTRIC TRANSDUCER TOWARD THE ELEMENT OF LOWER
References Cited (Backward Citations)
US1528383A
Cited
FR713640A
Cited
US2347661A
Cited
US2510952A
Cited
GB587996A
Cited
US2484736A
Cited
US2798377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |