US3216424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode and lead
Assignee: Individual
•
Filing: 1962-02-05
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Granted: 1965-11-09
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 William M Chardack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:28
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/0587
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A FLEX-RESISTANT ELECTRODE COMPRISING AN ELASTIC SLEEVE OF ELECTRICALLY INSULATING MATERIAL, AN A CLOSELY COILED ELECTRICAL CONDUCTOR WOUND ALONG THE AXIS OF SAID SLEEVE, SAID SLEEVE SURROUNDING SAID CONDUCTOR AND SAID CONDUCTOR BEING ELASTICALLY EXTENSIBLE ALONG SAID AXIS RELATIVE TO SAID SLEEVE, SAID CONDUCTOR EXTENDING BEYOND ONE END OF SAID SLEEVE AND TERMINATING IN A SERIES OF RELATIVELY WIDELY SPACED CONVOLUTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |