Sliding-door and sliding-screen sill
CA 1104422 A · Owner: Crance, James M. · Inventors: Crance, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sliding door and sliding-screen sill having several elongated rail members for individually supporting a sliding-door and a sliding-screen. Each such rail member is extruded of aluminum and is formed with at least one elongated break-notch whereby an installer can remove substantially any desired width of the base of either or both rail members to enable them to be placed in juxtaposition and yet cause the rails to be spaced the desired distance as defined by the relationship between the existing sliding-door and sliding-screen. An L-shaped foundation member and a spacer are employed the rail members, being secured to one side of the foundation member.
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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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.