US3233607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic heart massage device
Assignee: Iowa State University of Science and Technology
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Filing: 1962-06-20
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Granted: 1966-02-08
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Victor W Bolie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/40; A61M60/424; A61M60/427; A61M60/43; A61M60/10; A61M60/122; A61M60/165; A61M60/191; A61M60/20; A61M60/289; A61M60/465; A61M60/468; A61M60/80; A61M60/839
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A HEART MASSAGE DEVICE, COMPRISING A CASING HAVING AN OPEN END ADAPTED TO RECEIVE AN INOPERATIVE OR A PARTIALLY INOPERATIVE PART IN SITU, SAID CASING HAVING SPACED APART INNER AND OUTER WALLS DEFINING AN EXPANSIBLE CHAMBER AND MEANS FOR CYCLICALLY PRESSURIZING SAID CHAMBER, SAID MEANS INCLUDING A CYLINDER AND PISTON ROD UNIT, A PAIR OF C-SHAPED TRANSFORMERS POSITIONED ADJACENT SAID PISTON RODS, SAID PISTON ROD HAVING A MAGNETIZABLE PORTION NORMALLY BIASED TOWARD ONE OF SAID TRANSFORMERS, A SOLENOID OPERABLY ASSOCIATED WITH SAID PISTON ROD FOR MOVING THE SAME WAY FROM SAID ONE TRANSFORMER, MEANS FOR SUPPLYING A CYCLICALLY VARYING VOLTAGE TO SAID TRANSFORMERS, AND ELECTRICAL OUTPUT MEANS CONNECTED TO SAID TRANSFORMERS AND INCLUDING GATE MEANS FOR SEQUENTIALLY EXCITING SAID TRANSFORMERS, SAID GATE MEANS BEING OPERATIVE TO REMOVE THE EXCITATION FROM THE THETRANSFORMER HAVING THE SAID MAGNETIZABLE PORTION BIASED THERETOWARD.
Claim 2
Dependent Claim
139 words
A HEART MASSAGE DEVICE, COMPRISING A CASING HAVING AN OPEN END ADAPTED TO RECEIVE AN INOPERATIVE OR A PARTIALLY INOPERATIVE PART IN SITU, SAID CASING HAVING SPACED APART INNER AND OUTER WALLS DEFINING AN EXPANSIBLE CHAMBER AND MEANS FOR CYCLICALLY PRESSURIZING SAID CHAMBER, SAID MEANS INCLUDING A CYLINDER AND PISTON ROD UNIT, A PAIR OF C-SHAPED TRANSFORMERS POSITIONED ADJACENT SAID PISTON RODS, SAID PISTON ROD HAVING A MAGNETIZABLE PORTION NORMALLY BIASED TOWARD ONE OF SAID TRANSFORMERS, A SOLENOID OPERABLY ASSOCIATED WITH SAID PISTON ROD FOR MOVING THE SAME WAY FROM SAID ONE TRANSFORMER, MEANS FOR SUPPLYING A CYCLICALLY VARYING VOLTAGE TO SAID TRANSFORMERS, AND ELECTRICAL OUTPUT MEANS CONNECTED TO SAID TRANSFORMERS AND INCLUDING GATE MEANS FOR SEQUENTIALLY EXCITING SAID TRANSFORMERS, SAID GATE MEANS BEING OPERATIVE TO REMOVE THE EXCITATION FROM THE THETRANSFORMER HAVING THE SAID MAGNETIZABLE PORTION BIASED THERETOWARD.
References Cited (Backward Citations)
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |