Patent Yard Sign in
Expired Canadian patentCanada

Wire frame chair

CA 1299991 C · Owner: Snyder, Carlon D. · Inventors: Snyder, Carlon D.; Scheper, Robert M.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A chair particularly suited for institutional multipurpose rooms, and the like, includes a base and a shell with a back and a seat which are constructed for generally contemporaneous movement. A first support connects the base with a medial portion of the seat to support the same in a cantilevered fashion and is resil-, iently flexible to permit the shell to rock in response to fore-to-aft movement of a seated user. A second support connects the base with the back, and is also resiliently flexible to permit and control the rocking motion of the shell in a manner that provides improved comfort and, reduces sitting fatigue. Preferably the support also, permits the shell to move in a …

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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 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.
FiledApril 19, 1989
GrantedMay 5, 1992
Term endedMay 5, 2009
Patent numberCA 1299991 C
Classification (IPC)A47C3/00

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedApril 19, 1989Patent grantedMay 5, 1992Term endedMay 5, 2009

Sources & verification

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