Chair with pivoting seat
CA 1299485 C · Owner: Piretti, Giancarlo · Inventors: Piretti, Giancarlo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chair with a pivoting seat A chair (1) comprises a base structure (2) a seat (3), mounted on the base structure (2) for pivoting about a transverse axis, travel limiting means which define the position of maximum rearward pivoting and the position of maximum forward pivoting of the seat and resilient, means which bias the seat towards its position of maximum rearward pivoting. The travel limiting means enable at least one of the end-of-travel positions to be adjusted. (Figure 1).
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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
- 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.