Thread reel
CA 1248075 A · Owner: Molnlycke Sytrad Aktiebolag · Inventors: Olofsson, Stig E.E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thread reel is previously known which at its two ends is provided with two flanges arranged beside each other and between which the tread is intended to be attached. According to the invention the two flanges arranged beside each other are situated at a small distance from each other and the inner flanges are of such a weak construction that they will be pressed with their peripheries into contact with the outer flanges by means of the thread applied on the reel.
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 January 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
- 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.