Prefabricated window unit with air conditioning system
CA 1289406 C · Owner: Kusunoki, Toshimasa · Inventors: Kameda, Ryo; Kusunoki, Toshimasa; Kondo, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prefabricated window unit with an air conditioning system in which cold or hot air is passed through hollow vertical and horizontal members forming a framework of the window unit, and the air is blown out through a blow part formed in the framework toward a room, whereby the room air is conditioned by thermal radiation to or from the framework and by the air blown from the framework. Hollow spaces formed in an upper horizontal member and a waist transom are partitioned into indoor side and outdoor side hollow space portions. In a windowpane frame section consisting of left and right vertical members, the upper horizontal member and the waist transom connected horizontally between the …
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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.