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Expired Canadian patentCanada

Adjustable chair

CA 1287563 C · Owner: Flo, Steinar · Inventors: Lundstein, Per; Flo, Steinar; Lie, Tore

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Adjustable chair, whereby the seat of the chair comprising on each side a rail (10) secured to a front portion under the seat (3) and resting on a pulley (11) connected with the chair frame, the seat being, in the rear portion on each side, connected turnably with a guide (5) secured to the frame where the guide having slideably arranged a first glider (6), the back (4) comprising a downwards and forwards directed prolongation and being turnably connected with the first glider (6), the front end of the prolongation being turnably connected with a second glider (8) being slideably arranged on a second guide (7), the second guide thereby being connected with the frame, and first and second …

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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 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 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.
FiledDecember 2, 1988
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287563 C
Classification (IPC)A47C1/03

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedDec 2, 1988Patent grantedAug 13, 1991Term endedAug 13, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.