Patent US3219031A successfully refreshed from Google Patents.
US3219031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
External cardiac massage apparatus
Assignee: U S MED CONTROLS CO
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Filing: 1962-12-27
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Granted: 1965-11-23
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Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel B Rentsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:17
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/008; A61H31/004; A61H31/007; A61H2201/00; A61H2201/01; A61H2201/0173; A61M; A61M16/00; A61M16/0048; A61M16/10; A61M2202/00; A61M2202/02; A61M2202/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN EXTERNAL CARDIAC MASSAGE APPARATUS COMPRISING A FRAME HAVING A BASE PORTION ADAPTED TO EXTEND UNDER THE BODY OF A SUPINE PATIENT AND A TOP PORTION SPACED ABOVE SAID BASE PORTION AND EXTENDING THEREOVER SO AS TO RECEIVE A PATIENT THEREBETWEEN; A LEVER ARM PIVOTALLY MOUNTED ON SAID TOP PORTION OF SAID FRAME AND EXTENDING ABOVE SAID TOP PORTION FOR LIMITING RECIPROCAL MOVEMENT IN A SUBSTANTIALLY VERTICAL PLANE; A PLUNGER ASSEMBLY HAVING A PLUNGER FACE PIECE AT ITS LOWER END, SAID PLUNGER ASSEMBLY BEING SLIDABLY MOUNTED ON SAID TOP PORTION OF THE FRAME AT A POINT SPACED FROM SAID PIVOTAL MOUNTING OF SAID LEVER ARM; MEANS PIVOTALLY CONNECTING SAID PLUNGER ASSEMBLY TO SAID LEVER ARM, SAID PLUNGER ASSEMBLY DEPENDING FROM AND BEING DRIVINGLY ASSOCIATED WITH SAID LEVER ARM FOR LIMITED VERTICAL MOVEMENT IN RESPONSE TO RECIPROCATION OF SAID LEVER ARM TO DEPRESS THE CHEST OF A SUPINE PATIENT, SAID LEVER ARM BEING CONFIGURED AND DIMENSIONED TO PROVIDSE A MECHANICAL ADVANTAGE FOR RECIPROCATING SAID PLUNGER ASSEMBLY; AND MEANS LIMITING THE VERTICAL MOVEMENT OF SAID PLUNGER ASSEMBLY TO A PREDETRMINED DISTANCE TO PREVENT INJURY TO THE PATIENT DURING OPERATION OF THE APPARATUS.
Claim 2
Dependent Claim
190 words
AN EXTERNAL CARDIAC MASSAGE APPARATUS COMPRISING A FRAME HAVING A BASE PORTION ADAPTED TO EXTEND UNDER THE BODY OF A SUPINE PATIENT AND A TOP PORTION SPACED ABOVE SAID BASE PORTION AND EXTENDING THEREOVER SO AS TO RECEIVE A PATIENT THEREBETWEEN; A LEVER ARM PIVOTALLY MOUNTED ON SAID TOP PORTION OF SAID FRAME AND EXTENDING ABOVE SAID TOP PORTION FOR LIMITING RECIPROCAL MOVEMENT IN A SUBSTANTIALLY VERTICAL PLANE; A PLUNGER ASSEMBLY HAVING A PLUNGER FACE PIECE AT ITS LOWER END, SAID PLUNGER ASSEMBLY BEING SLIDABLY MOUNTED ON SAID TOP PORTION OF THE FRAME AT A POINT SPACED FROM SAID PIVOTAL MOUNTING OF SAID LEVER ARM; MEANS PIVOTALLY CONNECTING SAID PLUNGER ASSEMBLY TO SAID LEVER ARM, SAID PLUNGER ASSEMBLY DEPENDING FROM AND BEING DRIVINGLY ASSOCIATED WITH SAID LEVER ARM FOR LIMITED VERTICAL MOVEMENT IN RESPONSE TO RECIPROCATION OF SAID LEVER ARM TO DEPRESS THE CHEST OF A SUPINE PATIENT, SAID LEVER ARM BEING CONFIGURED AND DIMENSIONED TO PROVIDSE A MECHANICAL ADVANTAGE FOR RECIPROCATING SAID PLUNGER ASSEMBLY; AND MEANS LIMITING THE VERTICAL MOVEMENT OF SAID PLUNGER ASSEMBLY TO A PREDETRMINED DISTANCE TO PREVENT INJURY TO THE PATIENT DURING OPERATION OF THE APPARATUS.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |