Computer aided printer-etcher
CA 1289006 C · Owner: Lindner, Frederick H. · Inventors: Lindner, Frederick H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A computer aided printer-etcher has a computer connected electrically to a printer etcher unit, such that the printer etcher unit is controlled by the computer through the keyboard and computer memory. The printer etcher unit mounts an etching chamber within a cabinet. A conveyor within the cabinet defining a conveyor film path for a metalized film which path includes a vertically oblique portion within the etching chamber. A high speed printer upstream of the etching chamber and on the conveyor film path applies a resist ink pattern onto the metal surface of the metalized film. A liquid applicator mounted downstream of the printer applied in sequence a etching liquid and a rinse liquid …
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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
- 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.