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US3313293A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-electrode needle

Assignee: HP Inc
•
Filing: 1964-01-13
•
Granted: 1967-04-11
•
Expires: 1984-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 James A Chesebrough
  • 👤 Frank T Ura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:48
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/0502

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 211 words
AN ELECTROMEDICAL NEEDLE FOR INSERTION INTO AN ANIMAL BODY TO PROVIDE A PLURALITY OF SIGNAL CONDUCTION PATHS TO A SUBSURFACE REGION OF THE BODY, COMPRISING: A HOLLOW ELONGATED CONDUCTOR ADAPTED FOR INSERTION INTO THE BODY TO PROVIDE A FIRST SIGNAL CONDUCTION PATH TO THE SUBSURFACE REGION OF THE BODY, SAID CONDUCTOR HAVING A TAPERED END FOR PIERCING THE BODY AND HAVING A CONTACT PORTION NEAR THE TAPERED END FOR CONTACTING THE SUBSURFACE REGION OF THE BODY; AN INSULATING LAYER FIXEDLY SUPPORTED ON THE OUTER SURFACE OF SAID CONDUCTOR FOR INSULATING A SELECTED PORTION OF THE CONDUCTOR FROM THE BODY WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY, SAID SELECTED PORTION EXTENDING ALONG THE OUTER SURFACE OF THE CONDUCTOR FROM OUTSIDE THE BODY TO THE SUBSURFACE REGION WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY BUT NOT INCLUDING SAID CONTACT PORTION NEAR THE TAPERED END OF THE CONDUCTOR; AND A CONDUCTIVE LAYER FIXEDLY SUPPORTED ON THE OUTER SURFACE OF SAID INSULATING LAYER FOR PROVIDING A SECOND SIGNAL CONDUCTION PATH TO THE SUBSURFACE REGION OF THE BODY, SAID CONDUCTIVE LAYER BEING INSULATED FROM SAID CONDUCTOR BY THE INSULATING LAYER AND INCLUDING A CONTACT PORTION FOR CONTACTING THE SUBSURFACE REGION OF THE BODY WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY.
Claim 2
Dependent Claim 211 words
AN ELECTROMEDICAL NEEDLE FOR INSERTION INTO AN ANIMAL BODY TO PROVIDE A PLURALITY OF SIGNAL CONDUCTION PATHS TO A SUBSURFACE REGION OF THE BODY, COMPRISING: A HOLLOW ELONGATED CONDUCTOR ADAPTED FOR INSERTION INTO THE BODY TO PROVIDE A FIRST SIGNAL CONDUCTION PATH TO THE SUBSURFACE REGION OF THE BODY, SAID CONDUCTOR HAVING A TAPERED END FOR PIERCING THE BODY AND HAVING A CONTACT PORTION NEAR THE TAPERED END FOR CONTACTING THE SUBSURFACE REGION OF THE BODY; AN INSULATING LAYER FIXEDLY SUPPORTED ON THE OUTER SURFACE OF SAID CONDUCTOR FOR INSULATING A SELECTED PORTION OF THE CONDUCTOR FROM THE BODY WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY, SAID SELECTED PORTION EXTENDING ALONG THE OUTER SURFACE OF THE CONDUCTOR FROM OUTSIDE THE BODY TO THE SUBSURFACE REGION WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY BUT NOT INCLUDING SAID CONTACT PORTION NEAR THE TAPERED END OF THE CONDUCTOR; AND A CONDUCTIVE LAYER FIXEDLY SUPPORTED ON THE OUTER SURFACE OF SAID INSULATING LAYER FOR PROVIDING A SECOND SIGNAL CONDUCTION PATH TO THE SUBSURFACE REGION OF THE BODY, SAID CONDUCTIVE LAYER BEING INSULATED FROM SAID CONDUCTOR BY THE INSULATING LAYER AND INCLUDING A CONTACT PORTION FOR CONTACTING THE SUBSURFACE REGION OF THE BODY WHEN THE ELECTROMEDICAL NEEDLE IS INSERTED INTO THE BODY.

References Cited (Backward Citations)

US2442805A Cited
US2516882A Cited
US2637316A Cited
US2763935A Cited
US3098813A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-10 1970-10-10 1971-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-10 1974-10-10 1975-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-10 1978-10-10 1979-04-11 $7700.00 Window Closed / Lapsed

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