US2764149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical device for the examination of the interior of the human body
Assignee: Individual
•
Filing: 1951-05-23
•
Granted: 1956-09-25
•
Expires: 1971-05-23
Abstract
No abstract record available.
Inventors
- 👤 Sheldon Edward Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/38; A; A61; A61B; A61B1/00; A61B1/04; A61B1/05; G01M3/005
Claims Analysis
Total Claims: 0
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US2649500A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |