US3295629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical wave translation device
Assignee: Manlabs Inc
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Filing: 1963-05-28
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Granted: 1967-01-03
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Emmanuel P Papadakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/221; G10; G10K; G10K15/00; Y; Y10; Y10S; Y10S181/00; Y10S181/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
AN ACOUSTIC WAVE TRANSLATION SYSTEM, COMPRISING: AN ELECTROMECHANICAL TRANSDUCER ADAPTED TO GENERATE LONGITUDINAL MODE, PLANE-POLARIZED, ACOUSTIC ENERGY IN RESPONSE TO A SOURCE OF HIGH FREQUENCY ELECTRICAL ENERGY; A POLARIZATION MODE CONVERTER MEANS COUPLED TO SAID TRANSDUCER MEANS FOR CONVERTING SAID POLARIZATION FROM LONGITUDINAL TO SHEAR MODE, SAID CONVERTER MEANS INCLUDING A CERAMIC PRISM HAVING A REFLECTION ANGLE SUCH THAT SAID SHEAR MODE IS MAXIMIZED AND SAID LONGITUDINAL MODE IS MINIMIZED IN A PREFERRED DIRECTION; TRANSMISSION MEANS COUPLED TO SAID CONVERTER MEANS FOR TRANSMITTING SAID ENERGY AT A SELECTED VELOCITY ALONG SAID PREFERRED DIRECTION, SAID TRANSMISSION MEANS INCLUDING AN ALUMINUM TAPERED TRANSFORMER FOR SUBSTANTIALLY MATCHING THE IMPEDANCE AT SAID CON-
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |