US3513485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthetic heart valve assembly
Assignee: Temple University
•
Filing: 1967-04-14
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Granted: 1970-05-26
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Julio C Davila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:53
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2421; A61F2/2409; Y; Y10; Y10T; Y10T137/00; Y10T137/6198; Y10T137/6253; Y10T137/6307; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583972A
Cited
US1381078A
Cited
GB1016811A
Cited
US3374489A
Cited
FR1449117A
Cited
US3396409A
Cited
US3451067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |