Patent US1897625A successfully refreshed from Google Patents.
Patent US3657657A successfully refreshed from Google Patents.
Patent US2632661A successfully refreshed from Google Patents.
US2632661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for surgical instruments
Assignee: Individual
•
Filing: 1948-08-14
•
Granted: 1953-03-24
•
Expires: 1968-08-14
Abstract
No abstract record available.
Inventors
- 👤 Cristofv Cristjo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/2812; A61B17/2816; A61B90/00; A61B90/08; A61B2090/0813; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |