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US3623360A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure transducer

Assignee: National Aeronautics and Space Administration
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Filing: 1970-03-24
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Granted: 1971-11-30
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Expires: 1990-03-24
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Abstract

Abstract A PRESSURE TRANSDUCER FOR USE IN SYSTEMS EMPLOYED IN MEASURING FORCES OF COMPRESSIONS, CHARACTERIZED BY A PLURALITY OF SPACED ELECTRICAL CONDUCTIVE ELEMENTS HAVING ININTERPOSED THEREBETWEEN ELECTRICAL INSULATORS OF A CONTROLLED RESILIENCY ADAPTED TO BE SEQUENTIALLY COLLAPSED THROUGH STRESS INDUCED IN THE PRESSURE OF AN APPLIED COMPRESSIVE FORCE OF A CONTINUOUSLY INCREASING MAGNITUDE FOR THEREBY ACCOMMODATING A SUCCESSIVE ENGAGEMENT OF THE ADJACENT SURFACE OF THE CONDUCTORS, WHEREBY A SERIES OF ELECTRICAL CIRCUITS IS COMPLETED AS THE MAGNITUDE OF THE APPLIED FORCE IS INCREASED A FEATURE OF THE TRANSDUCER BEING THE EMPLOYMENT OF A CURRENT DETECTOR CIRCUIT CONNECTED WITH EACH OF THE CONDUCTORS SO THAT AS AN INCREASING COMPRESIVE FORCE IS APPLIED, AND SUCCESSIVE CONDUCTORS ARE BROUGHT INTO A CONTIGUOUS RELATIONSHIP, ADDITIONAL CIRCUIT ARE COMPLETED FOR THUS EXTABLISHING A SERIES OF ELECTRICAL SIGNALS INDICATIVE OF THE MAGNITIDE OF THE APPLIED FORCE.

Inventors

  • 👤 Charles D Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:09
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/24; G01L5/243; G01L1/00; G01L1/005

Claims Analysis

Total Claims: 0
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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) 1974-11-29 1975-05-31 1975-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-29 1979-05-31 1979-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-29 1983-05-31 1983-11-30 $7700.00 Window Closed / Lapsed

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