US3106086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gage dilatometer
Assignee: Motors Liquidation Co
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Filing: 1960-06-17
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Granted: 1963-10-08
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Hughel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:08
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
APPARATUS FOR MEASURING THERMAL EXPANSION OF A SPECIMEN COMPRISING A FIRST STRAIN GAGE MOUNTED ON SAID SPECIMEN, A REFERENCE MEMBER COMPOSED OF A MATERIAL HAVING A KNOWN VALUE OF THERMAL EXPANSION, A SECOND STRAIN GAGE MOUNTED ON SAID REFERANCE MEMBER, MEANS FOR VARYING THE TEMPERATURE OF SAID SPECIMEN AND SAID REFERENCE MEMBER, AND MEANS FOR MEASURING THE RELATIVE IMPEDANCES OF SAID FIRST AND SAID SECOND STRAIN GAGES FOR VARIOUS VALUES OF SAID TEMPERATURE, WHEREIN THE IMPEDANCE DIFFERENCES ARE A FUNCTION OF THE THERMAL EXPANSION OF THE SPECIMEN.
Claim 2
Dependent Claim
87 words
APPARATUS FOR MEASURING THERMAL EXPANSION OF A SPECIMEN COMPRISING A FIRST STRAIN GAGE MOUNTED ON SAID SPECIMEN, A REFERENCE MEMBER COMPOSED OF A MATERIAL HAVING A KNOWN VALUE OF THERMAL EXPANSION, A SECOND STRAIN GAGE MOUNTED ON SAID REFERANCE MEMBER, MEANS FOR VARYING THE TEMPERATURE OF SAID SPECIMEN AND SAID REFERENCE MEMBER, AND MEANS FOR MEASURING THE RELATIVE IMPEDANCES OF SAID FIRST AND SAID SECOND STRAIN GAGES FOR VARIOUS VALUES OF SAID TEMPERATURE, WHEREIN THE IMPEDANCE DIFFERENCES ARE A FUNCTION OF THE THERMAL EXPANSION OF THE SPECIMEN.
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |