Patent US3283562A successfully refreshed from Google Patents.
US3283562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid testing by acoustic wave energy
Assignee: Combustion Engineering Inc
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Filing: 1963-07-16
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Granted: 1966-11-08
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Expires: 1983-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles G Heisig
- 👤 Richard L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:45
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
APPARATUS FOR TESTING LIQUID, SAID APPARATUS COMPRISING, A MEMBER HAVING A CAVITY FOR ENCLOSING SAID LIQUID; A FIRST TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE TO AN INPUT SIGNAL APPLIED TO SAID FIRST TRANSDUCER TO CREATE ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING SAID ACTIVE SURFACE; A SECOND TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE IN ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING THE LAST SAID ACTIVE SURFACE TO CAUSE SAID SECOND TRANSDUCER TO PRODUCE AN OUTPUT SIGNAL REPRESENTATIVE OF THE LAST SAID ACOUSTICAL WAVE ENERGY; SAID FIRST TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER, SUCH CONTACT BEING CONFINED TO A SUBSTANTIALLY ZERO-AREA, SUBSTANTIALLY RECTILINEAR REGION OF SAID MEMBER OUTSIDE OF SAID CAVITY; SAID SECOND TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER; MEANS FOR SUPPLYING SAID FIRST TRANSDUCER WITH SAID INPUT SIGNAL AT A FREQUENCY SUCH AS TO CREATE ACOUS-
Claim 2
Dependent Claim
148 words
APPARATUS FOR TESTING LIQUID, SAID APPARATUS COMPRISING, A MEMBER HAVING A CAVITY FOR ENCLOSING SAID LIQUID; A FIRST TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE TO AN INPUT SIGNAL APPLIED TO SAID FIRST TRANSDUCER TO CREATE ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING SAID ACTIVE SURFACE; A SECOND TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE IN ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING THE LAST SAID ACTIVE SURFACE TO CAUSE SAID SECOND TRANSDUCER TO PRODUCE AN OUTPUT SIGNAL REPRESENTATIVE OF THE LAST SAID ACOUSTICAL WAVE ENERGY; SAID FIRST TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER, SUCH CONTACT BEING CONFINED TO A SUBSTANTIALLY ZERO-AREA, SUBSTANTIALLY RECTILINEAR REGION OF SAID MEMBER OUTSIDE OF SAID CAVITY; SAID SECOND TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER; MEANS FOR SUPPLYING SAID FIRST TRANSDUCER WITH SAID INPUT SIGNAL AT A FREQUENCY SUCH AS TO CREATE ACOUS-
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |