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Expired Canadian patentCanada

Seat

CA 1286589 C · Owner: Meiller, Hermann · Inventors: Meiller, Hermann

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

In a seat having a support frame consisting of a seat portion frame and a backrest portion frame, the backrest portion frame is of a generally L-shaped configuration with a first limb, thereof extending under the seat portion frame. The first limb of the L-shape carries a pivot axis means which is disposed slidably in a pair of rails fixed at the underside of the seat portion frame while the first limb of the L-shaped backrest portion frame is further guided in a second pair of rails at another position spaced from the first pair of rails in such a way that upon forward movement of the seat portion frame the upper end of the backrest portion frame moves in the opposite direction and also …

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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
FiledAugust 5, 1988
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286589 C
Classification (IPC)A47C1/03 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedAug 5, 1988Patent grantedJuly 23, 1991Term endedJuly 23, 2008

Sources & verification

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