Patent US3263239A successfully refreshed from Google Patents.
US3263239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aorta valve with expansible suturing ring
Assignee: Edwards Laboratories Inc
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Filing: 1963-04-01
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Granted: 1966-08-02
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
- 👤 Starr Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:48
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2421; A61F2/2424; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A HEART VALVE PROSTHESIS COMPRISING A SUBSTANTIALLY RIGID CIRCULAR VALVE BODY HAVING A VALVE MEMBER AND A CLOTH SLEEVE HAVING A LOWER END SURROUNDING AND SECURED TO SAID BODY, SAID SLEEVE EXTENDING AXIALL OF THE VALVE BODY AND HAVING A SUBSTANTIALLY CIRCULAR FREE UPPER END SURROUNDING SAID VALVE MEMBER, SPACED RADIALLY THEREFROM AND AT A SUBSTANTIAL DISTANCE ABOVE SAID SECURED END.
Claim 2
Dependent Claim
61 words
A HEART VALVE PROSTHESIS COMPRISING A SUBSTANTIALLY RIGID CIRCULAR VALVE BODY HAVING A VALVE MEMBER AND A CLOTH SLEEVE HAVING A LOWER END SURROUNDING AND SECURED TO SAID BODY, SAID SLEEVE EXTENDING AXIALL OF THE VALVE BODY AND HAVING A SUBSTANTIALLY CIRCULAR FREE UPPER END SURROUNDING SAID VALVE MEMBER, SPACED RADIALLY THEREFROM AND AT A SUBSTANTIAL DISTANCE ABOVE SAID SECURED END.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |