US3411495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bio-electrical sensor
Assignee: RTX Corp
•
Filing: 1965-12-14
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Granted: 1968-11-19
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Expires: 1985-12-14
Abstract
No abstract record available.
Inventors
- 👤 James U Casby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:13
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/68; A61B5/6801; A61B5/6813; A61B5/6814; A61B5/24; A61B5/25; A61B5/279; A61B5/28; A61B5/282; A61B5/291; A61B5/316; A61B5/318; A61B5/321; A61B5/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603815A
Cited
FR1360384A
Cited
US2549836A
Cited
US2590876A
Cited
FR1237702A
Cited
US2882904A
Cited
US3187745A
Cited
US3295515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |