US2555424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluoroscopy and radiography
Assignee: Individual
•
Filing: 1948-03-09
•
Granted: 1951-06-05
•
Expires: 1968-03-09
Abstract
No abstract record available.
Inventors
- 👤 Sheldon Edward Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:58
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/506; H01J31/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2297478A
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US2319712A
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US2289978A
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US2392620A
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US2366358A
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US2442287A
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US2477307A
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |