Safety lock for a folding highchair
CA 1236386 A · Owner: Quaker Oats Company (The) · Inventors: Waples, David G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved folding high chair is disclosed of the type movable between a collapsed position for storage and an upright locked position for use by a child. The chair has a safety mechanism to prevent collapse of the chair while occupied by a child. Momentary release of the chair from its upright locked position while occupied by a child could cause rapid collapse of the chair resulting in possible discomfort and/or injury to the child.
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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 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.