Printing apparatus capable of correcting printed characters
CA 1214744 A · Owner: Canon Kabushiki Kaisha · Inventors: Makita, Masaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a printing apparatus provided with a mechanism for erasing printed characters by actuating type font through an erasing ribbon and a mechanism for selecting characters by rotating type font, wherein the erasure of a printed character is achieved by rotating a type selected from said type font by a determined amount for printing a character in the overlapping manner on the character to be erased.
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 December 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 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.