Film card camera and process for manufacturing duplicate film cards
CA 1257801 A · Owner: Welp Entwicklungs-Kg · Inventors: Lack, Bernd; Welp, Ullrich; Girke, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a film card camera the processing unit is not only employed for developing the original film cards exposed in the film card camera but also for developing duplicate cards. The duplicate cards are preferably exposed and developed in a contact-exposure unit of the film card camera employing the, film card original generated in the film card camera. The film card camera can also be of the CAD-type. Its processing unit is in this case employed for generating original film cards as well as for manufacturing duplicate film cards. In addition both, types of cards can be labeled.
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 July 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 25, 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.