US3101608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for stress analysis
Assignee: IIT Research Institute
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Filing: 1959-02-18
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Granted: 1963-08-27
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Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Benson
- 👤 Verner J Raelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:24
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A METHOD FOR DETERMINING THE STRESS IN A SOLID, INCLUDING RESIDUAL STRESS, WHEREIN THE EXTENT OF CHANGE IN WAVE POLARIZATION FOR DIFFERENTLY APPLIED STRESSES IS KNOWN FOR SUCH SOLID, COMPRISING THE STEPS OF: ORIENTING A FIRST SHEAR WAVE TRANSDUCER TO ONE FACE OF SAID SOLID; ORIENTING A SECOND SHEAR WAVE TRANSDUCER TO THE OPPOSITE FACE OF SAID SOLID IN A MANNER WHEREBY THE PREFERRED DIRECTIONS OF VIBRATION OF SAID FIRST AND SECOND TRANSDUCERS ARE THE SAME; ENERGIZING SAID FIRST TRANSDUCER TO TRANSMIT ULTRASONIC SHEAR WAVES THROUGH SAID SOLID; CONNECTING SAID SECOND TRANSDUCER TO A VOLTAGE INDICATOR; ROTATING SAID
Claim 2
Dependent Claim
99 words
IN A METHOD FOR DETERMINING THE STRESS IN A SOLID, INCLUDING RESIDUAL STRESS, WHEREIN THE EXTENT OF CHANGE IN WAVE POLARIZATION FOR DIFFERENTLY APPLIED STRESSES IS KNOWN FOR SUCH SOLID, COMPRISING THE STEPS OF: ORIENTING A FIRST SHEAR WAVE TRANSDUCER TO ONE FACE OF SAID SOLID; ORIENTING A SECOND SHEAR WAVE TRANSDUCER TO THE OPPOSITE FACE OF SAID SOLID IN A MANNER WHEREBY THE PREFERRED DIRECTIONS OF VIBRATION OF SAID FIRST AND SECOND TRANSDUCERS ARE THE SAME; ENERGIZING SAID FIRST TRANSDUCER TO TRANSMIT ULTRASONIC SHEAR WAVES THROUGH SAID SOLID; CONNECTING SAID SECOND TRANSDUCER TO A VOLTAGE INDICATOR; ROTATING SAID
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |