Air distribution terminal unit
CA 2047052 C · Owner: Datta, Dipti · Inventors: Datta, Dipti; Yazici, Muammer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A room terminal for use in an air conditioning system includes a valve housing adapted for connection to a source of conditioned air and having an air inlet. A self regulating air valve is movably mounted in this housing. The regulating mechanism moves the valve so as to provide a desired constant rate of air flow through the terminal over a predetermined operating range of air pressures in the system. A second housing communicates with the valve housing and has an air outlet and insulated side walls. A reheating device heats air passing through this air outlet and is mounted on the second housing. Preferably the valve housing and the second housing together form a sealed terminal unit in …
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
- Filed July 15, 1991 and granted May 24, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2013.
- 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.