Hanger assembly
CA 1194011 A · Owner: Reiker, Kenneth H. · Inventors: Reiker, Kenneth H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heavy duty expansible junction box hanger assembly adapted for installation from beneath a ceiling through a junction-box aperture in the ceiling without complete prior removal of a previously installed light-weight hanger assembly. The portion of the lightweight hanger directly above the aperture is cut away and the heavy duty hanger is maneuvered through the aperture to a position above the light-weight hanger. A pair of feet on each end of the heavy duty hanger straddle the light-weight hanger and rest on the upper ceiling surface, aligning the heavy duty hanger parallel to the ceiling, after which joist engagement means on the hanger assembly are expanded into biting contact with the …
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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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.