US3148290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical transducer
Assignee: Gulton Industries Inc
•
Filing: 1960-12-27
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Granted: 1964-09-08
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Abraham I Dranetz
- 👤 Hugh J Cullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:36
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING, A SUBSTANTIALLY DISC-SHAPED MEMBER INCLUDING AT LEAST ONE SUBSTANTIALLY DISC-SHAPED PIEZO-SENSITIVE ELEMENT PROVIDED WITH ELECTRODES, MEANS FOR SUPPORTING SAID SUBSTANTIALLY DISC-SHAPED MEMBER FOR VIBRATION IN FLEXURAL MODE, MEANS FOR APPLYING FLEXING FORCES TO THE SUBSTANTIALLY DISC-SHAPED MEMBER FOR FLEXING THE SAME SUBSTANTIALLY
Claim 2
Dependent Claim
46 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING, A SUBSTANTIALLY DISC-SHAPED MEMBER INCLUDING AT LEAST ONE SUBSTANTIALLY DISC-SHAPED PIEZO-SENSITIVE ELEMENT PROVIDED WITH ELECTRODES, MEANS FOR SUPPORTING SAID SUBSTANTIALLY DISC-SHAPED MEMBER FOR VIBRATION IN FLEXURAL MODE, MEANS FOR APPLYING FLEXING FORCES TO THE SUBSTANTIALLY DISC-SHAPED MEMBER FOR FLEXING THE SAME SUBSTANTIALLY
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |