US3568333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heart for teaching and practicing external cardiac compression
Assignee: Medical Supply Co
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Filing: 1969-06-27
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Granted: 1971-03-09
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Expires: 1989-06-27
Abstract
Abstract A SIMULATED MOLDED HEAT LOCATED BETWEEN THE STERNUM AND SPINE OF A SIMULATED THORAX UNIT IS SQUEEZED AND RELEASED AS COMPRESSIVE FORCES ARE ALTERNATELY APPLIED TO AND RELEASED FROM THE THORAX UNIT. THE HEART INCLUDES LIQUID CHAMBER FROM THE THORAX UNIT. THE HEART INCLUDES A PUMPED WHEN THE HEART IS COMPRESSED FOR FLOW INTO A TRANSPARENT CIRCULATORY SYSTEM, AND INCLUDES AN AIR CHAMBER FROM WHICH AIR PULSES ARE EMITTED FOR ACTUATING A PRESSURE GAGE AND PULSATING A SIMULATED CAROTID ARTERY. THE AIR CHAMBER IS FORMED WITHIN A SEPARATELY MOLDED INSERT ADAPTED TO INTERFIT WITH THE MAIN PORTION OF THE HEART DEFINING THE LIQUID CHAMBER.
Inventors
- 👤 Roland R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:32
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |