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Patent US2660175A successfully refreshed from Google Patents.
US2660175A
Expired / Lapsed
US
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Electrocardiograph electrode
Assignee: Individual
•
Filing: 1951-08-10
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Granted: 1953-11-24
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Expires: 1971-08-10
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Thrasher
- 👤 Frank A Grosz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251; A61B5/252; A61B5/271; A61B5/273; A61B5/279; A61B5/28
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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |