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US3605727A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and method of monitoring and evaluating electrocardiac traces

Assignee: Individual
•
Filing: 1968-09-04
•
Granted: 1971-09-20
•
Expires: 1988-09-04
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Abstract

Abstract AN APPARATUS FOR A METHOD OF EVALUATING ELECTROCARDIAC TRACES TO DETERMINE HEART CONDITIONS. THE TRACE IS APPLIED TO FIRST AND SECOND COMPARISON MEANS WHICH PROVIDE RESPECTIVELY FIRST AND SECOND OUPUT INDICATIONS WHEN THE TRACE EXCEEDS FIRST AND SECOND COMPARISON LEVELS. ONE COMPARISON LEVEL IS SET, FOR EXAMPLE, TO DETECT THE R WAVE IN EACH ELECTROCARDIC COMPLEX WITHIN THE TRACE. THE OTHER COMPARISON LEVEL IS SET TO DETECT, BY WAY OF EXAMPLES, EACH ECTOPIC R WAVE OF AN ABNORMALLY HIGH MAGNITUDE, OR EACH P WAVE, EACH R WAVE, AND EACH T WAVE, OR AFTER INVERSION EACH Q WAVE AND EACH S WAVE. FROM COUNTS OF THE NUMBERS OF DETECTED WAVES, VARIOUS ECTOPICS HEART CONDITIONS CAN BE DETERMINED AND EVALUATED.

Inventors

  • 👤 George Zenevich
  • 👤 Leonard P Caccamo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:10
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/364

Claims Analysis

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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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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