Roof top air conditioning unit
CA 1089231 A · Owner: Westinghouse Electric Corporation · Inventors: Lackey, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The air conditioning unit of the invention has a construction of the indoor air flow section which adapts it to receive and return indoor air either through its bottom area in a vertical air flow mode or through its, end wall in a horizontal air flow mode so that the unit may be either roof top mounted or slab mounted without the need of any added section or module furnished by the manufacturer. The indoor air flow section includes a draw-through refrigerant coil located in an upper quadrant of the section a de-, tachable panel separating two lower quadrants in the section for the vertical air flow mode and movable to separate a lower and upper quadrant for the horizontal air flow mode and …
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 November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 1997.
- 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.