Patent US3396285A successfully refreshed from Google Patents.
US3396285A
Expired / Lapsed
US
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Electromechanical transducer
Assignee: The Ohio State University
•
Filing: 1966-08-10
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Granted: 1968-08-06
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Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Hildegard M Minchenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618; G; G10; G10K; G10K11/00; G10K11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1058773B
Cited
US3183378A
Cited
US3140859A
Cited
US3339090A
Cited
US3317762A
Cited
US3350582A
Cited
US3331589A
Cited
US3360665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |