Patent US2649854A successfully refreshed from Google Patents.
US2649854A
Expired / Lapsed
US
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Instrument for closing the urethra
Assignee: Individual
•
Filing: 1950-08-31
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Granted: 1953-08-25
•
Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Salm Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:35
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0022; Y; Y10; Y10S; Y10S128/00; Y10S128/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US733068A
Cited
US897050A
Cited
GB190724700A
Cited
DE589643C
Cited
FR800044A
Cited
US2510766A
Cited
DE867126C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |