US2455859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial sphincter and method
Assignee: Individual
•
Filing: 1946-05-13
•
Granted: 1948-12-07
•
Expires: 1966-05-13
Abstract
No abstract record available.
Inventors
- 👤 Frederic E B Foley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0031; A61F2/0054; Y; Y10; Y10S; Y10S128/00; Y10S128/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191221538A
Cited
US1127948A
Cited
US1225000A
Cited
US1827241A
Cited
CH154651A
Cited
US1970042A
Cited
US2045750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |