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Expired Canadian patentCanada

Method for manufacturing a panel

CA 1299832 C · Owner: Polynorm Roosendaal B.V. · Inventors: Jaklofsky, Eduard Louis

CIPO record

Overview

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

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Abstract From the Canadian patent

P HP/?B/12 5, Abstract, The invention relates to a method for manufacturing a panel (1, 21, 70, 71), for example an automobile panel such as a reclining backrest, loading floor roof, door, engine, hood, trunk lid and the like which is characterized in that, a prefabricated filling (5 45) of foam plastic is placed in, a mold cavity (59) between two layers (3 4; 63, 64) of rein-, forced plastic, and that in a pressing process using heat and pressure said two layers of reinforced plastic are fused to each other while they enclose the foam plastic; and preferably the filling (5, 45) of foam plastic has at least one passage (10, 30, 31, 68), and that during the pressing process both the layers …

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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 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.
FiledJuly 20, 1987
GrantedMay 5, 1992
Term endedMay 5, 2009
Patent numberCA 1299832 C
Classification (IPC)B29C43/20 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 20, 1987Patent 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.