Patent US1469906A successfully refreshed from Google Patents.
US3434162A
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Totally implanted artificial heart power system utilizing a rechargeable thermal energy source
Assignee: United States Department of Health and Human Services
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Filing: 1966-12-13
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Granted: 1969-03-25
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Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Robert W Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:54
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/40; A61M60/424; A61M60/427; A61M60/435; A61M60/80; A61M60/855; A61M60/89; A61M60/894; A61M60/10; A61M60/122; A61M60/196; A61M60/43; A61M60/50; A61M60/508; A61M60/515; A61M60/523; A61M60/835; A61M60/837; A61M60/871; A61M60/873; A61M60/875; A61M60/878; A61M2205/00; A61M2205/82; A61M2205/8237; A61M2205/8243; A61M60/126; A61M60/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A POWER UNIT FOR SUPPLYING PULSATILE FLUID PRESSURE TO DRIVE THE ARTIFICIAL HEART WITHIN A MAMMAL COMPRISING THE COMBINATION OF: A RANKINE CYCLE ENGINE INCLUDING A RECIPROCATING PISTON-FOR SUPPLYING SAID PULSATILE FLUID PRESSUREDRIVEN IN A CYLINDER BY STEAM PRESSURE, AND A STEAM CONDENSER CONNECTED DOWNSTREAM FROM SAID CYLINDER, SAID CONDENSER HAVING HEAT TRANFER MEANS CONNECTED THERETO FOR GIVING OFF HEAT OF CONDENSATION TO THE BLOOD OF MAMMAL IN WHICH THE POWER UNIT IS ADAPTED TO BE PLACED;
Claim 2
Dependent Claim
77 words
A POWER UNIT FOR SUPPLYING PULSATILE FLUID PRESSURE TO DRIVE THE ARTIFICIAL HEART WITHIN A MAMMAL COMPRISING THE COMBINATION OF: A RANKINE CYCLE ENGINE INCLUDING A RECIPROCATING PISTON-FOR SUPPLYING SAID PULSATILE FLUID PRESSUREDRIVEN IN A CYLINDER BY STEAM PRESSURE, AND A STEAM CONDENSER CONNECTED DOWNSTREAM FROM SAID CYLINDER, SAID CONDENSER HAVING HEAT TRANFER MEANS CONNECTED THERETO FOR GIVING OFF HEAT OF CONDENSATION TO THE BLOOD OF MAMMAL IN WHICH THE POWER UNIT IS ADAPTED TO BE PLACED;
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |