US3313293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrode needle
Assignee: HP Inc
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Filing: 1964-01-13
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Granted: 1967-04-11
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Expires: 1984-01-13
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)
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 |