Patent US4681103A successfully refreshed from Google Patents.
US2419045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-driven rotatable surgical cutter with hand pressure speed control
Assignee: Individual
•
Filing: 1947-01-04
•
Granted: 1947-04-15
•
Expires: 1967-01-04
Abstract
No abstract record available.
Inventors
- 👤 Charles C Whittaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:27
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320016; A61B17/32002; A61F; A61F9/00; A61F9/007; A61F9/013; A61F9/0133
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1905851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |