Patent US3252016A successfully refreshed from Google Patents.
US3252016A
Expired / Lapsed
US
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Electro-mechanical transducer
Assignee: Gulton Industries Inc
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Filing: 1962-09-11
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Granted: 1966-05-17
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John Hayer
- 👤 Eric J Straus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:26
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/09; G01P15/0922; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING A BASE, A SUBSTANTIALLY CIRCULAR DISC SHAPED ARMATURE SECURED AT THE PERIPHERAL EDGE THEREOF AND AT AN ANNULAR AREA OF ONE FACE THEREOF ADJACENT THE PERIPHERAL EDGE THEREOF TO THE BASE WITH THE OTHER FACE THEREOF FREE FROM THE BASE, SAID ARMATURE SO SECURED HAVING A RELATIVELY HIGH RESONANT FREQUENCY AND BEING RELATIVELY FREE TO FLEX, AT LEAST ONE THIN PIEZOELECTRIC ELEMENT PROVIDED WITH ELECTRODES AND SECURED IN FACE ABUTTING RELATION TO THE ARMATURE SO AS TO FLEX WITH THE ARMATURE, AND MEANS FOR APPLYING FLEXING FORCES TO THE ARMATURE FOR FLEXING THE SAME.
Claim 2
Dependent Claim
98 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING A BASE, A SUBSTANTIALLY CIRCULAR DISC SHAPED ARMATURE SECURED AT THE PERIPHERAL EDGE THEREOF AND AT AN ANNULAR AREA OF ONE FACE THEREOF ADJACENT THE PERIPHERAL EDGE THEREOF TO THE BASE WITH THE OTHER FACE THEREOF FREE FROM THE BASE, SAID ARMATURE SO SECURED HAVING A RELATIVELY HIGH RESONANT FREQUENCY AND BEING RELATIVELY FREE TO FLEX, AT LEAST ONE THIN PIEZOELECTRIC ELEMENT PROVIDED WITH ELECTRODES AND SECURED IN FACE ABUTTING RELATION TO THE ARMATURE SO AS TO FLEX WITH THE ARMATURE, AND MEANS FOR APPLYING FLEXING FORCES TO THE ARMATURE FOR FLEXING THE SAME.
References Cited (Backward Citations)
US2967957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |