US1577054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Individual
•
Filing: 1924-11-03
•
Granted: 1926-03-16
•
Expires: 1944-11-03
Abstract
No abstract record available.
Inventors
- 👤 Berkmann Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04
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) | 1929-03-15 | 1929-09-14 | 1930-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-15 | 1933-09-14 | 1934-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-15 | 1937-09-14 | 1938-03-16 | $7700.00 | Window Closed / Lapsed |