Multicolor imprinter
CA 1203423 A · Owner: Westgren Holding Corp. · Inventors: Davison, Charles F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multicolor imprinter employs a plurality of heat transferable tape of different colors wound upon one another in continuous convolutions on a supply reel which has its axis of rotation parallel to the direction of travel of the tapes through a marking zone. A guide structure is provided between the supply reel and the marking zone to turn the tapes so that they are parallel and coplanar as they traverse the marking zone. A separate takeup reel is provided for each tape and has an axis of rotation perpendicular to the direction of tape travel.
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 April 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 2003.
- 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.