Tape threading apparatus
CA 2061291 C · Owner: Tapematic U.S.A. Inc. · Inventors: Perego, Luciano
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The described apparatus and method comprises a grasping member supported by a driving bar slidably engaged in a support arm and movable in a vertical direction. The support arm extends downwardly from a main carriage horizontally movable along guide bars slidably carried on top of a tape loading center. The grasping member is designed to pick up a closure tab associated with a pancake previously mounted on a support hub belonging to the loading machine. By the combination of vertical and horizontal movements imparted to the grasping member by the driving bar and the main carriage, the magnetic tape connected to the closure tab is partly unwound from the pancake and guided in a predetermined …
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 February 17, 1992 and granted May 20, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2014.
- 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.