US2355209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Individual
•
Filing: 1942-12-07
•
Granted: 1944-08-08
•
Expires: 1962-12-07
Abstract
No abstract record available.
Inventors
- 👤 Leon C Dwoyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/11; F02B77/13; A; A61; A61B; A61B17/00; A61B17/32; A61B17/326
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-08-08 | 1948-02-07 | 1948-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-08 | 1952-02-07 | 1952-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-08 | 1956-02-07 | 1956-08-08 | $7700.00 | Window Closed / Lapsed |