High temperature fan plug apparatus
CA 1293487 C · Owner: Bloom, William Millard · Inventors: Bloom, William Millard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high temperature fan plug for a jet heat recuperator includes inner and outer face plates spaced apart by tubular spacers extending between the plates to form a heat insulative cavity. A fastener bolt extends from one face plate through a tubular spacer and projects from the other face plate. A spring with washers at opposite ends thereof is compressed by nut members on the end of the bolt which projects from the face plate for clamping the outer and inner face plates against the spacers. A hub structure carried by the inner and outer face plates receives a seal. The face plate exposed to high temperatures in the recuperator extends between spaced apart rings that are secured to a rim …
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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 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.