Patent Yard Sign in
Expired Canadian patentCanada

Apparatus for retaining cooling pipes for an ice rink

CA 1261158 A · Owner: Ohashi, Kazuo · Inventors: Ohashi, Kazuo

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 apparatus for retaining cooling pipes employed in an ice rink comprises a base member disposed on the floor of a rink and a supporting member integrally formed on the base member to project vertically from it. The retaining apparatus is made of flexible synthetic resin and retains cooling pipes at predetermined positions in the rink. The supporting member includes portions for retaining the cooling pipes, the fitting notch portions having slots at their upper ends. The portions for retaining the supporting members are provided at predetermined spacings along the length of the supporting member. The apparatus facilitates the formation of ice rinks by stabilizing the positions of the …

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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 20, 1985
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1261158 A
Classification (IPC)A63C19/10 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 20, 1985Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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