Patent US3614954A successfully refreshed from Google Patents.
US3614954A
Expired / Lapsed
US
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Electronic standby defibrillator
Assignee: Medtronic Inc
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Filing: 1970-02-09
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Granted: 1971-10-26
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Expires: 1990-02-09
Abstract
Abstract A METHOD AND MEANS FOR AUTOMATICALLY DEFIBRILLATING A MALFUNCTIONING HEART. WITH THE PRESENT INVENTION, THE HEART FUNCTION IS CONTINUOUSLY MONITORED. WHEN THE FUNCTION BECOMES ABNORMAL, THE MALFUNCTIONING HEART IS AUTOMATICALLY SHOCKED BY A VOLTAGE OF SUBSTANTIAL SIZE. IF THE HEART DOES NOT RETURN TO ITS NORMAL FUNCTIONS AFTER A GIVEN INTERVAL, THEN IT IS AGAIN SHOCKED. NORMAL HEART ACTIVITY ENSURES THAT THE SHOCKING MECHANISM REMAINS INERT.
Inventors
- 👤 Mieczyslaw Mirowski
- 👤 Morton M Mower
- 👤 William S Staewen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:39
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/0275; A61B5/021; A61B5/0215; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/38; A61N1/39; A61N1/3956
Claims Analysis
Total Claims: 0
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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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |