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US3572344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode apparatus with lead construction
Assignee: Medtronic Inc
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Filing: 1968-12-31
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Granted: 1971-03-23
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Expires: 1988-12-31
Abstract
Abstract ELECTRODE APPARATUS FOR IMPLANTATION IN THE BODY AND HAVING AT LEAST ONE ELECTRODE AT ONE END, AND AT LEAST ONE ELECTRICAL CONDUCTOR AT THE OTHER END FOR CONNECTION TO A SOURCE OF ELECTRICAL SIGNAL. THE ELECTRODE AND CONDUCTOR ARE INTERCONNECTED BY A FLEXIBLE ELECTRICAL CONDUCTOR LEAD THAT HAS A NONCONDUCTIVE CORE AROUND WHICH ARE WRAPPED A PLURALITY OF CONDUCTOR STRANDS. EACH STRAND COMPRISES AN ELECTRICAL CONDUCTOR STRIP WRAPPED AROUND A SEPARATE NON-CONDUCTIVE CORE. THE STRANDS AND STRIPS ARE HELICALLY WOUND AROUND THEIR RESPECTIVE CORE, AND THE WINDINGS ARE SPACED ONE FROM THE OTHER.
Inventors
- 👤 Lee R Bolduc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:23
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |