US3097522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1963-07-16
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Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:47
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
APPARATUS FOR THE ULTRASONIC INSPECTION OF OBJECTS INCLUDING A SOURCE OF ULTRASONIC ENERGY, TRANSDUCING MEANS FOR GENERATING ULTRASONIC VIBRATIONAL WAVES FROM THE ENERGY RECEIVED FROM THE SOURCE, MEANS RESPONSIVE TO ULTRASONIC WAVE ENERGY COMPRISING SUPPORT MEANS ONE OF WHOSE SURFACES DEFINES A VIEWING SCREEN, SAID MEAND HAVING A PLURALITY OF COMPARTMENTS THEREIN, EACH COMPARTMENT BEING FILLED WITH A SUBSTANTIALLY TRANSPARENT LIQUID OF LOW VISCOSITY AND HAVING AN OPAQUE FLAKE SUSPENDED IN THE LIQUID, THE LARGEST DIMENSION OF THE FLAKE BEING SMALLER THAN THE WAVE LENGTH OF THE ULTRASONIC ENERGY IN THE LIQUID, THE COMPARTMENTS BEING LARGE ENOUGH TO PERMIT ROTATIONAL FREEDOM OF THE FLAKE, THE SUPPORT MEANS BEING POSITIONED SUCH THAT THE ULTRASONIC ENERGY FROM THE TRANSDUCING MEANS IS TRANSMITTED FIRST THROUGH AN OBJECT AND THEN THROUGH THE SUPPORT MEANS SUCH THAT THE FLAKES TEND TO ALIGN IN A MANNER WHICH IS INDICATIVE OF IRREGULARITIES IN THE OBJECT.
References Cited (Backward Citations)
US2525873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |