Patent US2472103A successfully refreshed from Google Patents.
US2472103A
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US
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Modified bone screw holder for surgical drills
Assignee: Individual
•
Filing: 1945-03-13
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Granted: 1949-06-07
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Expires: 1965-03-13
Abstract
No abstract record available.
Inventors
- 👤 Josef H Giesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; A61B17/16; A61B17/8886; A61B17/8891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604250A
Cited
US1116532A
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US1424600A
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US1754739A
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US2121193A
Cited
US2292657A
Cited
US2381597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |