Closure weather seal with protective sheath
CA 1290628 C · Owner: Craigs, Gerald J. · Inventors: Craigs, Gerald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A door (or window) weather seal for attachment to a door frame, the seal operating upon the closing of the door to assume a sealing position in sealing engagement with the door and door frame. The seal comprises a flexible substantially impermeable sheath encasing the combination comprising a first seal member, a displaceable seal member and coupling means coupling the first and displaceable seal members together. The coupling means produces a tendency of the displaceable seal member to occupy a rest position relative to the first seal member in the absence of a displacement force acting on the displaceable seal member. In the presence of a displaceable force acting on the displaceable seal …
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 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.