Chair
CA 1278993 C · Owner: Lanuzzi, Max · Inventors: Lanuzzi, Max; Dubach, Fredi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chair has a seat connected to the seat support (1) by means of a front guide rod (11). The seat includes front and rear seat portion (8) hinged to each other. The rear seat portion (8) is secured to the seat support (1) by means of a rigidly connected downwardly extending element to which one end of a second guide rod (16) is hinged by a bearing (17). The other end of the second guide rod is connected by another bearing (15) to a section (14) of the back rest support (3). The back rest support is hinged at the seat support (1). A force storage member (13) is connected by joints to both the seat support (1) and to the seat.
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 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.