Growth recordal and display device
CA 1069293 A · Owner: Livingstone, Barclay · Inventors: Livingstone, Barclay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to an improved device for recording, comparing and displaying the growth of different members and generations of a family over a period of years. The device has an elongated base member which is mounted on a suitable wall. The base member has a vertically extending groove which slidably receives a rearwardly extending tongue portion of a slide member. The slide member also has a forwardly extending arm portion, wing portions which extend laterally across the face of the base member, and an upwardly extending tree-shaped portion. The family name or family tree is entered on the tree-shaped portion of the slide member. A child stands against the wall in front of the …
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 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.
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.