Body supporting and spacing structure
CA 1077175 A · Owner: Trotman, Helen H. · Inventors: Trotman, Herbert H.; Trotman, Helen H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A body support member for spacing a body above a supporting structure which comprises a sheet of resilient plastic material permanently deformed to produce downwardly disposed laterally spaced, elongated protuberances distributed over a body support area for engaging the supporting surface adjacent, elongated protuberances being complementary in shape with each one having a plurality of reversed direction portions along its length, the reversed direction portions in adjacent protuberances being in overlapping relation in the plane of the body support area looking in the direction the elongated protuberances extend, whereby the body support area of the member will resist flexing along all …
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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 May 6, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 1997.
- 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.