Patent Yard Sign in
Expired Canadian patentCanada

Electrodes having antiseptic properties for lidc therapy use

CA 1056018 A · Owner: Sybron Corporation · Inventors: Andrews, Stephen W.; Ellis, Franklin H.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract, An electrode for use in low intensity direct current therapy of skin lesions and the like. The electrode contains silver from which silver ions are carried to the treatment site under the influence of direct current to provide a germicidal action at the lesion. The electrode may have a porous support structure and some of the silver may be chlorided. The electrode is maintained in substantially direct contact with the treatment site while being saturated with an electrolyte similar to tissue fluids.

Read the whole patent

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 June 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 5, 1979
Term endedJune 5, 1996
Patent numberCA 1056018 A
Classification (IPC)A61N1/20 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 5, 1979Term endedJune 5, 1996

Sources & verification

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