Apparatus and method for moving frameworks between workstations
CA 2449918 A1 · Owner: Gimelshtein, Leon · Inventors: Gimelshtein, Leon; Ramnauth, Vinode
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and a method for moving frameworks such as window frames or sashes from a plastic frame welding machine to a work station for further processing of the frameworks are disclosed. Two tracks are mounted at an elevated position so they extend horizontally from the welding machine to the workstation and an arm assembly is mounted for movement along each track. Preferably each arm assembly has gripping devices arranged one above the other each capable of releasably engaging and gripping one of the frameworks. An actuator is provided to move each arm assembly along its track from a position where the arm assembly can engage the frameworks when they are in the welding machine and then …
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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 November 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2025.
- 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.