Air mattress and method for adjusting it
CA 1301376 C · Owner: Cool-Power Ky · Inventors: Toivio, Ilkka; Toivio, Terttu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air mattress has a number of adjacent elongate, bag-like elements which can be filled with air. These elements are arranged transversely with respect to the longitudinal axis of the mattress and/or the bed and are connected successively in band-like fashion to each other. The successive elements are arranged so that their lengthwise seam joints are located at given intervals in the bottom of the mattress. Areas between these joints are arranged to form structures which are directed upwards from the bottom of the mattress. A method for adjusting this mattress includes partly filling the elements with air so that the gas pressure corresponds to that of the surroundings when the elements …
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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.