Adhesively secured frame assembly, and method and apparatus for fabricating the same
CA 2382695 A1 · Owner: Wylie, Douglas · Inventors: Ravindran, Saj; Szabo, John; Shupak, Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A frame (30) includes a plurality of screen bar segments (30a-30d). To form the screen bar, a flat malleable strip is provided. The strip is roll-formed to form a tube having a tensioning step (32) on its face. The tensioning step (32) extends along a length of the tube. The tensioning step has a mounting surface (32a), which may be the bottom of the tensioning step (32). A hot-melt adhesive (36) is applied to the mounting surface (32a). The screen (34) is spread across the frame (30), so that the screen (34) extends over the mounting surface (32a) of each screen bar segment (30a-30d). The screen (34) is secured to the face of the frame with an adhesive (36) at a plurality of …
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 August 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2022.
- 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.