Patent US1856721A successfully refreshed from Google Patents.
US1856721A
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Suturing and ligating instrument
Assignee: Individual
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Filing: 1931-02-07
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Granted: 1932-05-03
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Expires: 1951-02-07
Abstract
No abstract record available.
Inventors
- 👤 Clemens B Nagelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:53
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/12; A61B17/12009; A61B17/12013; A61B17/04; A61B17/0469; A61B2017/0477
Claims Analysis
Total Claims: 0
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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) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |