US2756753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling flow through a vessel in a human member
Assignee: Individual
•
Filing: 1952-02-09
•
Granted: 1956-07-31
•
Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Leland G Means
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:11
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0031; A61F2/0054; A61B; A61B17/00; A61B17/12; A61B17/132; A61B17/1322; A61B17/1327; Y; Y10; Y10S; Y10S128/00; Y10S128/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |