US3152340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial heart
Assignee: Interscience Research Institute
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Filing: 1960-11-28
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Granted: 1964-10-13
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 William J Fry
- 👤 Francis J Fry
- 👤 Reginald C Eggleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:54
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/80; A61M60/845; A61M60/851; A61M60/10; A61M60/104; A61M60/122; A61M60/196; A61M60/20; A61M60/247; A61M60/253; A61M60/268; A61M60/40; A61M60/424; A61M60/438; A61M60/441; A61M60/443; A61M60/855; A61M60/857; A61M60/89; A61M60/427; A61M60/435; Y; Y10; Y10S; Y10S128/00; Y10S128/03; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7904; Y10T137/7908; Y10T137/7909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN ARTIFICIAL HEART TO ACT AS A SUBSTITUTE FOR A NATURAL HEART BOTH EXTERNALLY AND INTERNALLY OF THE BODY, COMPRISING A FRAME, A MOTOR ON SAID FRAME, AN ADJUSTABLE AMPLITUDE ECCENTRIC DRIVEN BY SAID MOTOR, A CRANK PIN SECURED TO THE ADJUSTABLE ECCENTRIC, A PITMAN PIVOTED TO SAID FRAME AND OSCILLATED BY SAID CRANK PIN, A DOUBLE ACTING PISTON ON SAID PITMAN, A PLASTIC DIAPHRAGM DEFINING A CHAMBER ON EACH SIDE OF SAID PISTON TO BE SUCCESSIVELY COMPRESSED AND EXPANDED BY THE SAME, EACH DIAPHRAGM HAVING AN INLET AND AN OUTLET PORT THEREIN, A VALVE CASING ADJACENT EACH SAID DIAPHRAGM HAVING SEPARATE CHAMBERS THEREIN EACH COMMUNICATING WITH A DIFFERENT ONE OF SAID PORTS, VALVES IN SAID CASINGS CONTROLLING FLOW THROUGH SAID PORTS, AND A NIPPLE EXTENDING FROM EACH VALVE CASING CHAMBER FOR CONNECTION TO A BLOOD VESSEL OF THE BODY.
Claim 2
Dependent Claim
140 words
AN ARTIFICIAL HEART TO ACT AS A SUBSTITUTE FOR A NATURAL HEART BOTH EXTERNALLY AND INTERNALLY OF THE BODY, COMPRISING A FRAME, A MOTOR ON SAID FRAME, AN ADJUSTABLE AMPLITUDE ECCENTRIC DRIVEN BY SAID MOTOR, A CRANK PIN SECURED TO THE ADJUSTABLE ECCENTRIC, A PITMAN PIVOTED TO SAID FRAME AND OSCILLATED BY SAID CRANK PIN, A DOUBLE ACTING PISTON ON SAID PITMAN, A PLASTIC DIAPHRAGM DEFINING A CHAMBER ON EACH SIDE OF SAID PISTON TO BE SUCCESSIVELY COMPRESSED AND EXPANDED BY THE SAME, EACH DIAPHRAGM HAVING AN INLET AND AN OUTLET PORT THEREIN, A VALVE CASING ADJACENT EACH SAID DIAPHRAGM HAVING SEPARATE CHAMBERS THEREIN EACH COMMUNICATING WITH A DIFFERENT ONE OF SAID PORTS, VALVES IN SAID CASINGS CONTROLLING FLOW THROUGH SAID PORTS, AND A NIPPLE EXTENDING FROM EACH VALVE CASING CHAMBER FOR CONNECTION TO A BLOOD VESSEL OF THE BODY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |