US2622592A
Expired / Lapsed
US
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X-ray marker for artificial femoral heads
Assignee: Individual
•
Filing: 1952-01-05
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Granted: 1952-12-23
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Expires: 1972-01-05
Abstract
No abstract record available.
Inventors
- 👤 Rosenstein Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:06
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36; A61F2/3601; A61F2/3603; A61B; A61B90/00; A61B90/39; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/3008; A61F2002/3009; A61F2002/30108; A61F2002/30199; A61F2002/30299; A61F2/30767; A61F2/30771; A61F2002/30878; A61F2230/00; A61F2230/0063; A61F2230/0093; A61F2250/00; A61F2250/0058; A61F2250/0091; A61F2250/0096; A61F2250/0098; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |