Patent US3104334A successfully refreshed from Google Patents.
US3104334A
Expired / Lapsed
US
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Annular accelerometer
Assignee: Meggitt Orange County Inc
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Filing: 1959-09-15
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Granted: 1963-09-17
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Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilson Bradley
- 👤 Gunnar B Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:08
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/16; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/09; G01P15/0915; G01N; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02827
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A TRANSDUCER, THE COMBINATION OF: AN ANNULAR PIEZOELECTRIC ELEMENT HAVING A PAIR OF COAXIAL CYLINDRICAL SURFACES AT RADIALLY SPACED-APART POSITIONS, SAID PIEZOELECTRIC ELEMENT BEING ELECTRICALLY POLARIZED IN A DIRECTION PARALLEL TO ITS AXIS; A PAIR OF MUTUALLY INSULATED ELECTRODES IN CONDUCTIVE CONTACT WITH SAID TWO CYLINDRICAL SURFACES OF SAID PIEZOELECTRIC ELEMENT; FIRST AND SECOND MEMBERS SECURED RESPECTIVELY TO INNER AND OUTER SURFACE OF SAID PIEZOELECTRIC ELEMENT; AND MEANS FOR MOVING ONE OF SAID MEMBERS RELATIVE TO THE OTHER IN A DIRECTION PARALLEL TO SAID AXIS WHERE-
Claim 2
Dependent Claim
87 words
IN A TRANSDUCER, THE COMBINATION OF: AN ANNULAR PIEZOELECTRIC ELEMENT HAVING A PAIR OF COAXIAL CYLINDRICAL SURFACES AT RADIALLY SPACED-APART POSITIONS, SAID PIEZOELECTRIC ELEMENT BEING ELECTRICALLY POLARIZED IN A DIRECTION PARALLEL TO ITS AXIS; A PAIR OF MUTUALLY INSULATED ELECTRODES IN CONDUCTIVE CONTACT WITH SAID TWO CYLINDRICAL SURFACES OF SAID PIEZOELECTRIC ELEMENT; FIRST AND SECOND MEMBERS SECURED RESPECTIVELY TO INNER AND OUTER SURFACE OF SAID PIEZOELECTRIC ELEMENT; AND MEANS FOR MOVING ONE OF SAID MEMBERS RELATIVE TO THE OTHER IN A DIRECTION PARALLEL TO SAID AXIS WHERE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |