Patent US3303841A successfully refreshed from Google Patents.
US3303841A
Expired / Lapsed
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⏱️ 0.0 years remaining
Process and apparatus for pressurizing lower extremities of a patient during ventricular diastole
Assignee: Individual
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Filing: 1964-06-18
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Granted: 1967-02-14
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Dennis Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:36
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0071; A61H2230/00; A61H2230/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF REDUCING THE WORK OF THE LEFT VENTRICLE IN THE HEART COMPRISING SURVEILLANCE OF THE CARDIAC CYCLE TO IDENTIFY THE OPENED CONDITION AND THE CLOSED CONDITION OF THE AORTIC VALVE, EXTERNALLY COMPRESSING THE BODY WHEN THE AORTIC VALVE IS IN THE CLOSED CONDITION TO FORCE BLOOD BACK INTO THE AORTA AND ARTERIAL TREE, RELIEVING PERFUSION PRESSURE IN THE AORTA AND ARTERIAL TREE, RELIEVING THE COMPRESSION WHEN THE AORTIC VALVE IS IN THE OPENED CONDITION TO PERMIT CONTRACTION OF THE LEFT VENTRICLE AGAINST A LOWERED AORTIC PRESSURE.
Claim 2
Dependent Claim
88 words
THE PROCESS OF REDUCING THE WORK OF THE LEFT VENTRICLE IN THE HEART COMPRISING SURVEILLANCE OF THE CARDIAC CYCLE TO IDENTIFY THE OPENED CONDITION AND THE CLOSED CONDITION OF THE AORTIC VALVE, EXTERNALLY COMPRESSING THE BODY WHEN THE AORTIC VALVE IS IN THE CLOSED CONDITION TO FORCE BLOOD BACK INTO THE AORTA AND ARTERIAL TREE, RELIEVING PERFUSION PRESSURE IN THE AORTA AND ARTERIAL TREE, RELIEVING THE COMPRESSION WHEN THE AORTIC VALVE IS IN THE OPENED CONDITION TO PERMIT CONTRACTION OF THE LEFT VENTRICLE AGAINST A LOWERED AORTIC PRESSURE.
References Cited (Backward Citations)
US2690174A
Cited
US2674231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |