US3456134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric energy converter for electronic implants
Assignee: United States Department of Health and Human Services
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Filing: 1967-10-05
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Granted: 1969-07-15
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Expires: 1987-10-05
Abstract
No abstract record available.
Inventors
- 👤 Wen H Ko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
H; H10; H10N; H10N30/00; H10N30/30; H10N30/304; H10N30/306; A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/372; A61N1/378; A61N1/3785
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2478223A
Cited
US3113233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |