US3130419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heart valve with shielded sewing ring
Assignee: Individual
•
Filing: 1961-04-24
•
Granted: 1964-04-28
•
Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:11
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2409; A61F2/2421; A61F2/2424; F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7911
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A HEART VALVE COMPRISING A CIRCULAR VALVE BODY DEFINING A VALVE PORT WITH AN OUTWARDLY FACING CHANNEL THEREAROUND, A MOVABLE VALVE MEMBER COOPERATING WITH SAID PORT, A CLOTH HAVING A PORTION INTERMEDIATE ITS ENDS CLAMPED IN THE BOTTOM OF SAID CHANNEL, PORTIONS OF SAID CLOTH PROJECTING FROM OPPOSITE SIDES OF SAID CHANNEL BEING STITCHED TOGETHER TO FORM A SUTURING RING, AND A SHIELD MOUNTED ON SAID BODY, SAID SHIELD HAVING A FLEXIBLE OUTSTANDING ANNULAR LIP AROUND SAID BODY AT ONE SIDE OF SAID SUTURING RING.
References Cited (Backward Citations)
US1342054A
Cited
US2404020A
Cited
US2571721A
Cited
US2570149A
Cited
US2682057A
Cited
US2818069A
Cited
US2835253A
Cited
US2832078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |