US3113586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial heart valve
Assignee: Physio Control Inc
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Filing: 1962-09-17
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Granted: 1963-12-10
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Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Karl W Edmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:28
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2412; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K3/00; F16K3/02; F16K3/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A VALVE COMPRISING A SUBSTANTIALLY ANNULAR SEAT, A PAIR OF COOPERATING FLAP MEMBERS, AND MEANS TO SECURE THE ENDS OF SAID FLAP MEMBERS TO OPPOSITE PORTIONS OF SAID SEAT, SAID FLAP MEMBERS BEING OF SUBSTANTIALLY IDENTICAL SHAPE, EACH FLAP MEMBER COMPRISING A MAIN BODY HAVING AN ARCUATE OUTER PERIPHERAL EDGE AND FORMED WITH A TRANSVERSELY EXTENDING LOBE AT ITS FREE END AND WITH A SMOOTHLY CURVED NOTCH EXTENDING FROM SAID LOBE TO THE SECURED END OF THE FLAP MEMBER, THE FLAP MEMBERS OVERLAPPING EACH OTHER WITH THE LOBE OF EACH FLAP MEMBER OVERLYING THE NOTCHED PORTION OF THE OTHER FLAP MEMBER WHEN THE VALVE IS IN CLOSED POSITION, THE FLAP MEMBERS BEING FLEXIBLE IN AT LEAST ONE DIRECTION TO ALLOW THE LOBES TO MOVE AWAY FROM SAID NOTCHED PORTIONS, THE INNER PERIPHERAL EDGE OF EACH FLAP MEMBER BEING SUBSTANTIALLY SLIDABLE ALONG THE INNER PERIPHERAL EDGE OF THE OTHER FLAP MEMBER AS THE FLOP MEMBERS ARE FLEXED TO OPEN POSITIONS.
Claim 2
Dependent Claim
159 words
A VALVE COMPRISING A SUBSTANTIALLY ANNULAR SEAT, A PAIR OF COOPERATING FLAP MEMBERS, AND MEANS TO SECURE THE ENDS OF SAID FLAP MEMBERS TO OPPOSITE PORTIONS OF SAID SEAT, SAID FLAP MEMBERS BEING OF SUBSTANTIALLY IDENTICAL SHAPE, EACH FLAP MEMBER COMPRISING A MAIN BODY HAVING AN ARCUATE OUTER PERIPHERAL EDGE AND FORMED WITH A TRANSVERSELY EXTENDING LOBE AT ITS FREE END AND WITH A SMOOTHLY CURVED NOTCH EXTENDING FROM SAID LOBE TO THE SECURED END OF THE FLAP MEMBER, THE FLAP MEMBERS OVERLAPPING EACH OTHER WITH THE LOBE OF EACH FLAP MEMBER OVERLYING THE NOTCHED PORTION OF THE OTHER FLAP MEMBER WHEN THE VALVE IS IN CLOSED POSITION, THE FLAP MEMBERS BEING FLEXIBLE IN AT LEAST ONE DIRECTION TO ALLOW THE LOBES TO MOVE AWAY FROM SAID NOTCHED PORTIONS, THE INNER PERIPHERAL EDGE OF EACH FLAP MEMBER BEING SUBSTANTIALLY SLIDABLE ALONG THE INNER PERIPHERAL EDGE OF THE OTHER FLAP MEMBER AS THE FLOP MEMBERS ARE FLEXED TO OPEN POSITIONS.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |