US3159023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic testing apparatus
Assignee: ThyssenKrupp Budd Co
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Filing: 1957-10-28
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Granted: 1964-12-01
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Ernst E Steinbrecher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:06
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0627; G01N29/0645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
APPARATUS FOR NONDESTRUCTIVELY TESTING A PRESELECTED PORTION OF AN OBJECT BY MEANS OF AN ULTRASONIC BEAM COMPRISING REFLECTOR MEANS SUPPORTED ABOVE SAID OBJECT AND HAVING A PLURALITY OF SPACED COAXIALLY CIRCULAR REFLECTING SURFACES, THE PROFILE OF EACH SURFACE IN A GIVEN RADIAL SECTION BEING AN ARC OF A PARABOLA, ADJACENT ONES OF SUCH PARABOLAS BEING COAXIAL WITH EACH OTHER AND WITH THE CIRCLE AXIS OF SAID REFLECTING SURFACES, HAVING A COMMON FOCAL POINT ON SAID CIRCLE AXIS, AND BEING COPLANAR, BUT HAVING NON-COINCIDENT VERTICES; TRANSDUCER MEANS FOR GENERATING AN ULTRASONIC BEAM HAVING A FOCUS AT SAID FOCAL POINT AND FLARING OUT IN A PLANE THAT PASSES THROUGH SAID CIRCLE AXIS; MEANS FOR SUPPORTING SAID TRANSDUCER MEANS AT SAID COMMON FOCAL POINT OF SAID REFLECTING SURFACES SUCH THAT SUCCCESSIVE PORTIONS OF SAID ULTRASONIC BEAM ARE REFLECTED FROM SAID SPACED REFLECTING SURFACES IN THE PLANE OF INCIDENCE THEREON AND AT RIGHT ANGLES TO SAID OBJECT WHEN SAID TRANSDUCER MEANS IS MAINTAINED IN A FIXED POSITION WHEREBY SAID PRESELECTED PORTION OF SAID OBJECT IS SCANNED BY SAID ULTRASONIC BEAM.
Claim 2
Dependent Claim
176 words
APPARATUS FOR NONDESTRUCTIVELY TESTING A PRESELECTED PORTION OF AN OBJECT BY MEANS OF AN ULTRASONIC BEAM COMPRISING REFLECTOR MEANS SUPPORTED ABOVE SAID OBJECT AND HAVING A PLURALITY OF SPACED COAXIALLY CIRCULAR REFLECTING SURFACES, THE PROFILE OF EACH SURFACE IN A GIVEN RADIAL SECTION BEING AN ARC OF A PARABOLA, ADJACENT ONES OF SUCH PARABOLAS BEING COAXIAL WITH EACH OTHER AND WITH THE CIRCLE AXIS OF SAID REFLECTING SURFACES, HAVING A COMMON FOCAL POINT ON SAID CIRCLE AXIS, AND BEING COPLANAR, BUT HAVING NON-COINCIDENT VERTICES; TRANSDUCER MEANS FOR GENERATING AN ULTRASONIC BEAM HAVING A FOCUS AT SAID FOCAL POINT AND FLARING OUT IN A PLANE THAT PASSES THROUGH SAID CIRCLE AXIS; MEANS FOR SUPPORTING SAID TRANSDUCER MEANS AT SAID COMMON FOCAL POINT OF SAID REFLECTING SURFACES SUCH THAT SUCCCESSIVE PORTIONS OF SAID ULTRASONIC BEAM ARE REFLECTED FROM SAID SPACED REFLECTING SURFACES IN THE PLANE OF INCIDENCE THEREON AND AT RIGHT ANGLES TO SAID OBJECT WHEN SAID TRANSDUCER MEANS IS MAINTAINED IN A FIXED POSITION WHEREBY SAID PRESELECTED PORTION OF SAID OBJECT IS SCANNED BY SAID ULTRASONIC BEAM.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |