US2617944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serial roentgenography
Assignee: MIRIAM I SANCHEZ PEREZ
•
Filing: 1949-02-19
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Granted: 1952-11-11
•
Expires: 1969-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jesus M Sanchez-Perez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:55
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/48; A61B6/481; A61B6/50; A61B6/504; G; G03; G03B; G03B42/00; G03B42/02; G03B42/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2107825A
Cited
US2123528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |