Patent US3358690A successfully refreshed from Google Patents.
US3358690A
Expired / Lapsed
US
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Heart stimulator utilizing a pressuresensitive semiconductor
Assignee: Individual
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Filing: 1964-11-18
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Granted: 1967-12-19
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 Marvin M Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/362; A61N1/365; A61N1/36514; A61N1/36564
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A HEART STIMULATOR, COMPRISING: (A) A PRESSURE SENSITIVE TRANSDUCER MEANS ADAPTED TO BE INSERTED IN THE ATRIUM OF A HEART FOR SENSING A HIGH PRESSURE CONDITION IN SAID ATRIUM; (B) ELECTRODE MEANS ADAPTED TO BE INSERTED IN THE VENTRICLE OF SAID HEART; AND (C) TELEMETERING MEANS CONNECTING SAID TRANSDUCER AND SAID ELECTRODE MEANS, SAID TELEMETERING MEANS COMPRISING A DELAY CIRCUIT, A SWITCHING CIRCUIT, AND A DC POWER SOURCE, SAID DELAY CIRCUIT BEING CONNECTED TO RECEIVE THE OUTPUT OF SAID PRESSURE SENSITIVE TRANSDUCER, SAID SWITCHING CIRCUIT BEING CONNECTED TO RECEIVE THE OUTPUT OF SAID DELAY CIRCUIT, AND SAID DC POWER SOURCE BEING ADAPTED TO BE CONNECTED TO SAID ELECTRODE MEANS BY SAID SWITCHING CIRCUIT WHEN SAID SWITCHING CIRCUIT IS ACTIVATED BY THE DELAYED SIGNAL
Claim 2
Dependent Claim
123 words
A HEART STIMULATOR, COMPRISING: (A) A PRESSURE SENSITIVE TRANSDUCER MEANS ADAPTED TO BE INSERTED IN THE ATRIUM OF A HEART FOR SENSING A HIGH PRESSURE CONDITION IN SAID ATRIUM; (B) ELECTRODE MEANS ADAPTED TO BE INSERTED IN THE VENTRICLE OF SAID HEART; AND (C) TELEMETERING MEANS CONNECTING SAID TRANSDUCER AND SAID ELECTRODE MEANS, SAID TELEMETERING MEANS COMPRISING A DELAY CIRCUIT, A SWITCHING CIRCUIT, AND A DC POWER SOURCE, SAID DELAY CIRCUIT BEING CONNECTED TO RECEIVE THE OUTPUT OF SAID PRESSURE SENSITIVE TRANSDUCER, SAID SWITCHING CIRCUIT BEING CONNECTED TO RECEIVE THE OUTPUT OF SAID DELAY CIRCUIT, AND SAID DC POWER SOURCE BEING ADAPTED TO BE CONNECTED TO SAID ELECTRODE MEANS BY SAID SWITCHING CIRCUIT WHEN SAID SWITCHING CIRCUIT IS ACTIVATED BY THE DELAYED SIGNAL
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |