Patent US3380445A successfully refreshed from Google Patents.
US3380445A
Expired / Lapsed
US
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Electrical pickup structure for electrocardiographs and the like
Assignee: Infineon Technologies Americas Corp
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Filing: 1965-09-24
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Granted: 1968-04-30
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jordan D Frasier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:54
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/279; A61B5/28; A61B5/282; A61N; A61N1/00; A61N1/02; A61N1/04
Claims Analysis
Total Claims: 0
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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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |