US3719190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heart stimulation electrode with a conical positioning parachute
Assignee: Avery Lab Inc
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Filing: 1971-03-09
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Granted: 1973-03-06
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Expires: 1991-03-09
Abstract
Abstract A FLEXIBLE ELECTRODE IS PROVIDED WITH A CONICAL PARACHUTE WHICH PERMITS THE BLOOD FLOWING IN A VEIN TO DRAW THE ELECTRODE INTO THE HEART SO THAT THE ELECTRODE MAY BE USED IN CONNECTION WITH AN EXTERNAL POWER SOURCE FOR STIMULATING THE HEART. A LIGHT PULL ON THE LEAD INVERTS THE PARACHUTE FOR WITHDRAWAL WITHOUT DAMAGE TO THE VEIN TISSUE. D R A W I N G
Inventors
- 👤 R Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:23
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |