US2557429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical bone saw drive
Assignee: DW Zimmerman Manufacturing Inc
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Filing: 1949-10-28
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Granted: 1951-06-19
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Expires: 1969-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jesse E Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/027; A; A61; A61B; A61B17/00; A61B17/14; A61B17/142; A61B17/147; B27; B27B; B27B19/00; B27B19/006; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232; Y10T74/1824; Y10T74/18416; Y10T83/00; Y10T83/687; Y10T83/7045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |