Patent US3234778A successfully refreshed from Google Patents.
US3234778A
Expired / Lapsed
US
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Dilatometer for heated specimens under external stress
Assignee: Bethlehem Steel Corp
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Filing: 1962-12-31
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Granted: 1966-02-15
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr James R Kreglo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:00
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A DILATOMETER FOR MEASURING DIMENSIONAL CHANGES, UNDER HEAT AND PRESSURE, OF A TEST SPECIMEN SUPPORTED ON A BASE WITHIN A FURNACE, COMPRISING: (A) AT LEAST THREE UPWARDLY EXTENDING LEGS ADAPTED TO STRADDLE THE SPECIMENT AND TO REST ON SAID BASE, (B) A MEASURING DEVICE MOUNTED ABOVE AND CONNECTED TO THE UPPER END OF SAID LEGS, (C) A PROBE EXTENDING DOWNWARDLY FROM SAID MEASURING DEVICE AND ADAPTED TO ENGAGE THE SPECIMEN, (D) LOAD-TRANSMITTING MEANS IN AXIAL ALIGNMENT WITH SAID PROBE ADAPTED TO REST ON SAID SPECIMEN AND EXTEND UPWARDLY THEREFROM, (E) SAID LOAD-TRANSMITTING MEANS BEING OUT OF CONTACT WITH SAID PROBE, SAID LEGS AND SAID MEASURING DEVICE, (F) MEANS FOR LOADING SAID LOAD-TRANSMITTING MEANS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |