Hollow metallic sealing ring
CA 1288791 C · Owner: Specialist Sealing Limited · Inventors: Tozer, Michael John Caswell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hollow metallic sealing ring which in radial cross-section is of serpentine shape with a pair of divergent limbs connected by at least one contiguous single loop with substantially straight sides The transition curve between the sides of the loop and the divergent limbs is of constant radius and the free ends of the limbs are straight and substantially parallel.
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 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
- 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.