US2990605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming artificial vascular members
Assignee: Individual
•
Filing: 1957-01-30
•
Granted: 1961-07-04
•
Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 Demsyk Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:25
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; Y; Y10; Y10S; Y10S623/00; Y10S623/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439451A
Cited
US718378A
Cited
US1596754A
Cited
US2624341A
Cited
GB744735A
Cited
US2836181A
Cited
US2845959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |