Control knob adapter
CA 1232593 A · Owner: Modern Home Products Corp. · Inventors: Koziol, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adapter for a valve control knob which will permit the positioning of the control knob in the desired "off" position irrespective of the configuration of the valve stem member of a valve unit. The valve adapter includes a compartment for frictional engagement with a valve system also has a projecting portion for engagement with the control knob. The adapter of this invention is particularly suitable for use with a valve stem having a D-shaped shaft and has a complementary compartment for receiving the shaft. In one embodiment the, projecting member of the adapter is of a rectangular or square shape and in another embodiment it is rounded with splines extending from the surface.
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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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.