Air circulation system for thermostatic chamber
CA 1302995 C · Owner: Kawamura, Hideo · Inventors: Kawamura, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the air circulation system for thermostatic chamber, a plurality of circulation ports are provided in the thermostatic chamber near the door and an intake port is formed in the wall of the chamber opposite the door. A plurality of air shutters installed in air ducts are controlled to be opened and closed in response to the opening and closing of the door. Control of various components of the system is performed as follows. When the door is open, hot air is blown out from the circulation ports on one side of the chamber and then drawn into the circulation ports on the other side thus, forming a powerful air curtain at the door portion of the chamber. When the door is closed, the hot air …
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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.