Stub arm spider fan
CA 1069005 A · Owner: Hayes-Albion Corporation · Inventors: Dulin, Patrick J.; Gorman, Thomas G.; Robb, Neil E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radiator cooling fan assembly is disclosed for use in trucks and other large vehicles. The heavy duty assembly includes a pair of hubs having radially extending arms with blades extending between aligned pairs of hub arms. The arms of one hub are substantially shorter than the arms of the other hub. In addition, the either hub may include either an enlarged aperture in its central portion or webbing between its arms or both.
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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.
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.