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Expired Canadian patentCanada

Flexible coil construction for electromagnetic treatment of an afflicted body region

CA 1314941 C · Owner: Electro-Biology, Inc. · Inventors: Moore, John S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

F.6105, FLEXIBLE COIL CONSTRUCTION FOR ELECTROMAGNETIC TREATMENT OF AN AFFLICTED BODY REGION, ABSTRACT OF THE DISCLOSURE The invention provides a thin, flexible comfortably, wearable coil for use in electromagnetic therapy of body tissue. The coil comprises plural turns of a single coil in radially spiralling adjacency and by forming all turns from the same single length of bunched multiple strands of flexible insulated conductors of equal gauge. First and second connections for lead-cable connection to a signal generator are each made to all strands at the respective ends of the coil and axially flexible means retains the radial adjacency of the turns of the coil.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 9, 1987
GrantedMarch 23, 1993
Term endedMarch 23, 2010
Patent numberCA 1314941 C
Classification (IPC)A61N2/02

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 9, 1987Patent grantedMarch 23, 1993Term endedMarch 23, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.