Spring seat
CA 1209456 A · Owner: Kay Springs, Incorporated · Inventors: Krakauer, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A spring seat for a small chair has a first inner pair of front to rear flexible resilient strands accommodating the depending ischial tuberosities of a user and reduces the, load on them by supporting them at a lower level than an outer pair of front to rear flexible strands supporting the buttocks beneath the thigh bones so as to take on a significant portion of the load.
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 August 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 2003.
- 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.