Hygienic sandal
CA 2514808 C · Owner: Asham, Arnold · Inventors: Asham, Arnold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sandal is formed of a main shoe sole with one or more straps for engaging over the foot of the wearer and has an upstanding edge rim defining a shallow receptacle in the upper surface of the main shoe sole. An inner sole portion , of flat foam is shaped to match the receptacle as an insert therein and has sufficient , stiffness to remain flat in the receptacle without attachment of the inner sole portion , to the main sole portion. A flexible fabric sock is wrapped around the inner sole , portion so as to cover the upper surface thereof and to wrap around a peripheral , edge thereof with an opening in the sock on the underside of the inner sole portion , allowing the sock to be …
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
- Filed August 8, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 8, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.