US3159756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic inspection
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1963-02-19
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Granted: 1964-12-01
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Beaujard Louis
- 👤 Mondot Jacques
- 👤 Kapluszak Marian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:22
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN AN ULTRASONIC TESTING ARRANGEMENT, IN COMBINATION; (A) A SEARCHING UNIT INCLUDING MEANS FOR EMITTING AN ULTRASONIC BEAM FROM SAID UNIT IN A PREDETERMINED DIRECTION TOWARD AN OBJECT TO BE TESTED; (B) HYDRAULIC MEANS FOR ESTABLISHING AT LEAST THREE SPACED COLUMNS OF HYDRAULIC LIQUIED FLOWING FROM SAID UNIT IN SAID DIRECTION FOR ENGAGEMENT WITH SAID TEST PIECEM SAID COLUMNS DEFINING A POLYON, SAID COLUMNS EXERTING HYDRAULIC PRESSURE ON SAID SEARCHING UNIT IN A DIRECTION OPPOSITE TO SAID PREDETERMINED DIRECTION; (C) PRESSURE MEANS FOR URGING SAID SEARCHIN UNIT IN SAID PREDETERMINED DIRECTION DIRECTION AGAINST SAID HYDRAULIC PRESSURE; AND (D) CONTROL MEANS FOR CONTROLLING THE RATE OF LIQUID FLOW IN SAID COLUMNS.
Claim 2
Dependent Claim
110 words
IN AN ULTRASONIC TESTING ARRANGEMENT, IN COMBINATION; (A) A SEARCHING UNIT INCLUDING MEANS FOR EMITTING AN ULTRASONIC BEAM FROM SAID UNIT IN A PREDETERMINED DIRECTION TOWARD AN OBJECT TO BE TESTED; (B) HYDRAULIC MEANS FOR ESTABLISHING AT LEAST THREE SPACED COLUMNS OF HYDRAULIC LIQUIED FLOWING FROM SAID UNIT IN SAID DIRECTION FOR ENGAGEMENT WITH SAID TEST PIECEM SAID COLUMNS DEFINING A POLYON, SAID COLUMNS EXERTING HYDRAULIC PRESSURE ON SAID SEARCHING UNIT IN A DIRECTION OPPOSITE TO SAID PREDETERMINED DIRECTION; (C) PRESSURE MEANS FOR URGING SAID SEARCHIN UNIT IN SAID PREDETERMINED DIRECTION DIRECTION AGAINST SAID HYDRAULIC PRESSURE; AND (D) CONTROL MEANS FOR CONTROLLING THE RATE OF LIQUID FLOW IN SAID COLUMNS.
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 |