Mold
CA 1164617 A · Owner: The Goodyear Tire & Rubber Company · Inventors: White, John R.; Thompson, Donald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MOLD, A mold comprising an elongated hollow cylinder having at least two parts that can be locked to form said cylinder, a core axially aligned therein and having an inflatable cover thereover, said inflatable cover having means to fix the cover on said core upper, and lower seal members positioned between ends of said cylinder and said core and being capable of forming a tight seal with the core when the cover is inflated. The cover preferably is composed of elastomeric coated fabric. This mold can be used to mold shock absorbers which are hollow.
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 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- 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.