Writing instrument with appearing and disappearing indicia
CA 1061288 A · Owner: Vicki'S Ideas · Inventors: Lonsmin, Victor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New Abstract, A writing instrument has a writing mechanism contained in its body and another mechanism for, causing an indicia such as a person's name, to appear and disappear from the body of the writing instrument. The latter mechanism includes a film located next to the body and carrying the indicia. At least a portion of the body is transparent the portion, of the film providing the indicia also being transparent with, the other portion of the film being opaque. The body has an interior of the same color as the other portion of the film. The interior of the body is viewable through the transparent portion of the film. A slide is provided and is movable within the body, the slide being …
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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
- 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.