Insole with removable, height-adjustable support pads
CA 2075265 C · Owner: Sarkozi, Jeff · Inventors: Sarkozi, Jeff
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A deformable, elastic insole liner is provided with height adjustment pads for shoes to independently support the heel area, the longitudinal arch area, and the metatarsal arch area. Each pad comprises a base pad and a plurality of thin stacking pads which completely overlay the base pad and any stacking pads, and are self stabilized thereby. The stacking pads may be removably stacked onto each base pad without, requiring a fixed means of attachment to each other in order, to achieve the proper height adjustment for an individual user. This enables an individual shoe to be separately height adjusted for any combination of heel, longitudinal arch and metatarsal areas. In addition, after an …
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 4, 1992 and granted January 28, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2014.
- 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.