US3080752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous level measuring apparatus
Assignee: ACOUSTICA ASSOCIATES Inc
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Filing: 1958-06-30
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Granted: 1963-03-12
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Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:41
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/296; Y; Y10; Y10S; Y10S367/00; Y10S367/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
SYSTEM FOR DETERMINING THE DISTANCE FROM A REFERENCE POINT WHICH IS OUTSIDE OF A FLUID BODY TO THE SURFACE OF THE FLUID BODY COMPRISING AN ELONGATED METALLIC MEMBER OF REGULAR CROSS SECTION EXTENDING FROM SAID REFERENCE POINT INTO THE FLUID THROUGH SAID SURFACE, AN ELECTROMECHANICAL TRANSDUCER COUPLED TO SAID MEMBER TO INTRODUCE ELASTIC WAVE ENERGY THEREIN AT SAID REGION PROPAGATING TOWARD SAID SURFACE, AND A SECOND ELECTROMECHANICAL TRANSDUCER LOCATED TO RECEIVE ELASTIC WAVE ENERGY PASSING FROM SAID MEMBER A KNOWN DISTANCE THROUGH SAID FLUID IN A DIRECTION LATERALLY FROM SAID MEMBER, SAID SECOND TRANSDUCER BEING SPACED SAID KNOWN DISTANCE LATERALLY FROM SAID MEMBER IN SAID DIRECTION.
Claim 2
Dependent Claim
106 words
SYSTEM FOR DETERMINING THE DISTANCE FROM A REFERENCE POINT WHICH IS OUTSIDE OF A FLUID BODY TO THE SURFACE OF THE FLUID BODY COMPRISING AN ELONGATED METALLIC MEMBER OF REGULAR CROSS SECTION EXTENDING FROM SAID REFERENCE POINT INTO THE FLUID THROUGH SAID SURFACE, AN ELECTROMECHANICAL TRANSDUCER COUPLED TO SAID MEMBER TO INTRODUCE ELASTIC WAVE ENERGY THEREIN AT SAID REGION PROPAGATING TOWARD SAID SURFACE, AND A SECOND ELECTROMECHANICAL TRANSDUCER LOCATED TO RECEIVE ELASTIC WAVE ENERGY PASSING FROM SAID MEMBER A KNOWN DISTANCE THROUGH SAID FLUID IN A DIRECTION LATERALLY FROM SAID MEMBER, SAID SECOND TRANSDUCER BEING SPACED SAID KNOWN DISTANCE LATERALLY FROM SAID MEMBER IN SAID DIRECTION.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |