US3498288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for correcting the measurement of potentials detected by contact electrodes
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1967-02-16
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Granted: 1970-03-03
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jacques Max
- 👤 Francis Merdrignac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:39
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/40; A; A61; A61B; A61B5/00; A61B5/24; A61B5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3360374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |