Body support for bed or seat
CA 1190670 A · Owner: Parma Corporation · Inventors: Miller, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract A body support for a bed or a seat having a plurality of resilient support members or springs that are movable between a retracted or collapsed inoper-, ative position and an extended operative position. The springs are contained in a case of flexible sheet material so that when the springs are collapsed the, case is collapsed or depressed into a relatively thin layer for storage or other purposes; and when the springs are extended the case will be distended by the springs to provide a resilient support such as a mattress, "box-spring" or a combination thereof for use in a bed or seat. Actuating means is provided for actuating one or more of the springs between the retracted and …
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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 July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2002.
- 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.