US3533003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protected wide-swing multistage amplifier,particularly for bio-medical use
Assignee: Thomson Medical Telco SA
•
Filing: 1968-06-06
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Granted: 1970-10-06
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Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 Romuald Jean Plaszczynski
- 👤 Claude Vaclaw Babicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:30
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; H03G3/301; H03G3/3015; A; A61; A61B; A61B5/00; A61B5/24; A61B5/30; H03F; H03F1/00; H03F1/52; H03F3/00; H03F3/181; H03F3/183; Y; Y10; Y10S; Y10S128/00; Y10S128/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3254308A
Cited
US3451006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |