US3464404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bio-medical instrumentation electrode
Assignee: Johns Hopkins University
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Filing: 1966-06-17
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Granted: 1969-09-02
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robert E Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:00
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251; A61B5/257; Y; Y10; Y10S; Y10S65/00; Y10S65/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2632447A
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US2943628A
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US2985172A
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US3085577A
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US3151619A
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US3187745A
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US3170459A
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US3295515A
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US3340868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |