Intake manifold and method of making the same
CA 1302184 C · Owner: Joh, Gunter · Inventors: Joh, Gunter; Sedlmayr, Wilhelm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intake manifold wherein separately produced sections of metallic or plastic material have neighboring surfaces defining a chamber which surround the cavity of the manifold and is filled with a vulcanized elastomeric material which is bonded to the neighboring surfaces by a coupling agent such as silane. The, elastomeric material can be silicon rubber nitryl rubber or, polyacrylate rubber. The neighboring surfaces of the sections can form a tongue-and-groove connection which surrounds the cavity of the manifold and is surrounded by the elastomeric material. -19-
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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.