Expansion seal assembly
CA 1281344 C · Owner: Seshamani, Venkatraman · Inventors: Seshamani, Venkatraman; Money, Dudley P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An expansion seal assembly in which a corrugated plate extends between two members that are subjected to differential thermal expansion and contraction. An expansion joint connects the upper and lower edges of the corrugated plate with the two members respectively to accomodate differential thermal expansion and contraction between two members in an axial direction. The expansion joint acts as hinges to accomodate the lateral movement.
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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 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.