Patent Yard Sign in
Expired Canadian patentCanada

Opening/closing device of a door member

CA 1338215 C · Owner: Osaka, Masayoshi · Inventors: Hasegawa, Tooru; Kamitaka, Masuo; Kai, Hidekazu

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

An opening/closing device of a door for a refrigerator or the like which permits one to open/close the door member at one's desired side, namely at the right side, or at the left side without requiring a movable operating, handle therefor. The device is simple in construction has, a high adiabatic efficiency, and can be easily incorporated in the door member. Therefore no special mechanism is necessary in the door member, and no structural change is required inside the door member.

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 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 8, 1989
GrantedApril 2, 1996
Term endedApril 2, 2013
Patent numberCA 1338215 C
Classification (IPC)E05D15/50 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 8, 1989Patent grantedApril 2, 1996Term endedApril 2, 2013

Sources & verification

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