US3826730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable electrochemical electrode
Assignee: International Biophysics Corp
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Filing: 1972-09-05
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Granted: 1974-07-30
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Expires: 1992-09-05
Abstract
Abstract A disposable electrochemical cell electrode assembly for use in amperometric electrochemical cells. The disposable electrode assembly includes a selectively permeable membrane which is spaced a predetermined distance from the electrode. The disposable electrode assembly is threadedly attached to a permanent electrode assembly to complete the electrochemical cell.
Inventors
- 👤 H Watanabe
- 👤 J Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:44
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |