Wound dressing system
CA 1322309 C · Owner: Freeman, Frank M. · Inventors: Freeman, Frank M.; Frank, Margaret A.; Cherry, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel two-piece wound dressing providing, protection during dressing changes to the delicate healing skin directly surrounding the wound is, provided according to the present invention. The dressing comprises a baseplate having an adhesive surface for contacting surrounding skin and has an, aperture extending completely through it over which a wound pad of a desired wound dressing material can be placed. Means are also provided for attaching the wound pad to the baseplate.
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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.