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Expired Canadian patentCanada

Mold for skin covered foamed plastic molding

CA 1318995 C · Owner: Ikeda Bussan Co. Ltd. · Inventors: Yanagishita, Norio

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

A mold for skin covered foamed plastic molding which utilizes a middle mold to be placed between an upper mold and a lower mold, capable of avoiding an excessive amount of pressure to be exerted on the upper portion of the lower mold 90 that the durability of the lower mold can be improved, and preventing gaseous leakage so that the penetration of the liquid foam resin to be poured on a skin cover becomes controllable. The mold includes an upper mold to be closed over the lower mold, having extended side portions which can reach the base of the lower mold when assembled such that the extended side portions can support the upper mold by themselves.

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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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
  • 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 30, 1989
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1318995 C
Classification (IPC)B29C33/10 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 30, 1989Patent grantedJune 15, 1993Term endedJune 15, 2010

Sources & verification

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