Sinuous band and seat spring assembly
CA 1259715 A · Owner: Morley Furniture Spring Corporation · Inventors: Crosby, Lawton H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sinuous spring band assembly and a plurality of seat spring assemblies incorporating the sinuous spring band assembly. Each sinuous spring band assembly has a torsion bend complex at its front end and another torsion bend complex at its back end. The bend complex at the front end is pivotably connected by a link member to the front rail of the seat spring assembly. The bend complex at the back end is pivotably connected by a link member to the back rail of the seat spring assembly. The front end bend complex comprises a pair of downward bends and the front end bend complex comprises a single upward bend.
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 September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.