US3749101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonpolarizable muscle stimulating electrode
Assignee: TPL-CORDIS Inc A DE CORP
•
Filing: 1972-02-09
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Granted: 1973-07-31
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Expires: 1992-02-09
Abstract
Abstract A nonpolarizable muscle stimulating electrode is formed of a platinum black insert in a housing of inert electrode metal, preferably titanium. It features high current density at low pulse voltage.
Inventors
- 👤 D Williamson
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; A61N1/056; A61N1/0565
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
18 words
An electrode as defined in claim 1 wherein said platinum is provided with a surface of platinum black.
Claim 2
Dependent Claim
30 words
An electrode as defined by claim 1 in which the projected surface area of the platinum is smaller than the surface area of the chemically inert portion of the housing.
Claim 3
Dependent Claim
36 words
A muscle stimulator electrode comprising, a housing composed of a chemically inert conductor having a portion adapted to make electrical contact with the stimulation site, and a surface of a non-polarizable electrode material within said portion.
Claim 4
Dependent Claim
26 words
An electrode as defined by claim 4 in which the projected surface area of the non-polarizable material is smaller than the surface area of the housing.
Claim 5
Dependent Claim
12 words
An electrode as defined by claim 1 wherein the housing is titanium.
Claim 6
Dependent Claim
12 words
An electrode as defined by claim 4 wherein the housing is titanium.
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |