Patent US3409905A successfully refreshed from Google Patents.
US3409905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyelid galvanometer
Assignee: Sinclair Research Inc
•
Filing: 1966-03-31
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Granted: 1968-11-05
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Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Bemrose John
- 👤 Lauren G Kilmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:12
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1713226A
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US1740130A
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US2036447A
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US2137267A
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US2286820A
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US2493534A
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US3278941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |