US3140612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic sensor device
Assignee: ELECTRO SONIC SYSTEMS Inc
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Filing: 1961-09-08
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Granted: 1964-07-14
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Richard B Houghton
- 👤 Luca Frank P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
G; G01; G01L; G01L11/00; G01L11/04; G01K; G01K11/00; G01K11/22; G01K11/24; G01L9/00; G01L9/0033; G01P; G01P15/00; G01P15/02; G01P15/08; Y; Y10; Y10S; Y10S73/00; Y10S73/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SENSOR DEVICE COMPRISING: A HOLLOW STRUCTURE ADAPTED TO CONTAIN A FLUID, A FLUID MEDIUM CAPABLE OF READILY PROPAGATING SONIC AND ULTRASONIC WAVES FILLING THE HOLLOW OF SAID STRUCTURE; AN ELEMENT MOUNTED IN SAID FLUID MEDIUM IN SUCH A MANNER AS TO BE DISPLACEABLE ALONG THE LINE OF PROPAGATION OF THE WAVES IN RESPONSE TO FORCES APPLIED TO IT; FIRST MEANS FOR TRANSMITTING A PAIR OF ACOUSTICAL SIGNALS AT A FREQUENCY SELECTED FROM THE SONIC AND ULTRASONIC FREQUENCY RANGE THROUGH SAID FLUID MEDIUM TO OPPOSING SURFACES OF SAID ELEMENT; AND SECOND MEANS FOR DETECTING THE TIMES OF ARRIVAL OF SAID ACOUSTICAL SIGNALS AT SAID ELEMENT, THE TIME LAG BETWEEN SAID PAIR OF SIGNALS BEING A MEASURE OF THE DISPLACEMENT OF SAID ELEMENT FROM ITS NORMAL POSITION.
Claim 2
Dependent Claim
126 words
A SENSOR DEVICE COMPRISING: A HOLLOW STRUCTURE ADAPTED TO CONTAIN A FLUID, A FLUID MEDIUM CAPABLE OF READILY PROPAGATING SONIC AND ULTRASONIC WAVES FILLING THE HOLLOW OF SAID STRUCTURE; AN ELEMENT MOUNTED IN SAID FLUID MEDIUM IN SUCH A MANNER AS TO BE DISPLACEABLE ALONG THE LINE OF PROPAGATION OF THE WAVES IN RESPONSE TO FORCES APPLIED TO IT; FIRST MEANS FOR TRANSMITTING A PAIR OF ACOUSTICAL SIGNALS AT A FREQUENCY SELECTED FROM THE SONIC AND ULTRASONIC FREQUENCY RANGE THROUGH SAID FLUID MEDIUM TO OPPOSING SURFACES OF SAID ELEMENT; AND SECOND MEANS FOR DETECTING THE TIMES OF ARRIVAL OF SAID ACOUSTICAL SIGNALS AT SAID ELEMENT, THE TIME LAG BETWEEN SAID PAIR OF SIGNALS BEING A MEASURE OF THE DISPLACEMENT OF SAID ELEMENT FROM ITS NORMAL POSITION.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |