Patent EP0117519A1 successfully refreshed from Google Patents.
US3585648A
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Ultrasonic method and apparatus for pumping fluids through a human
Assignee: Ultrasonic Systems Inc
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Filing: 1968-12-10
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Granted: 1971-06-22
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Expires: 1988-12-10
Abstract
Abstract THE INVENTION RELATES TO A MECHANICAL HEART FOR PUMPING BLOOD IN HUMANS THAT UTILIZES ULTRASONIC MECHANICAL VIBRATIONS FOR OBTAINING THE PUMPING MOTION AND ALSO INCREASING THE FLOW OF FLUIDS IN THE CIRCULATORY AND OTHER SYSTEMS OF THE BODY.
Inventors
- 👤 Leonard W Suroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/20; A61M60/247; A61M60/253; A61M60/268; A61M60/10; A61M60/122; A61M60/196; A61M60/40; A61M60/424
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |