Thermoformable plastic framing/connecting strip
CA 2102004 C · Owner: Dahowski, Donald E. · Inventors: Dahowski, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sealing framing strip of continuous length which is notched and the corners of which are thermoformed is provided. An enlarged opening at the apex of the notches facilitates and enhances the bending and corner forming of the unitary strip. The strip is bent along its longitudinal axis and along the plane of the strip while maintaining the continuity of the strip. The thermoformed strip is of particular utility as a covering element connecting and, sealing the joint between the wall opening and a pre-formed stair module positioned in the wall opening of an inground swimming pool.
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
- Filed October 29, 1993 and granted May 1, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 29, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 2015.
- 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.