Cushioning pad
CA 1262407 C · Owner: Davidson, Murray R. · Inventors: Davidson, Murray R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cushioning pad or mat for protecting the human foot and body while walking or standing is provided. The mat is formed of an upper laminate of material having moisture-absorbant characteristic; an intermediate laminate having an upper and lower surface, the upper surface being bonded to the lower surface of the upper laminate, the intermediate laminate being resilient and permanently deformable over prolonged application of pressure; a lower cushioning pad having a base layer having an upper and lower surface, the upper surface of the base layer being bonded to the lower surface of the intermediate layer; and a plurality of generally spaced-apart longitudinally and transversely extending …
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 October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
- 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.