Film jacket for flat articles, particularly slide frames
CA 1313102 C · Owner: Stemmer, Gottfried, Jr. · Inventors: Stemmer, Gottfried, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A film Jacket for flat articles particularly slide frames consists of, bottom and top plies which are joined at one end and on both sides so that they can accommodate the slide frames. To permit the film jacket to be filled quickly and in a simple manner and to permit the slide frames to be individually taken one film ply is formed with a transversely extending slit which is, spaced from the closed end of the Jacket by a distance that corresponds to the length of one slide frame.
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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
- 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.