Storage device for photographic material
CA 2282040 A1 · Owner: Imip Llc · Inventors: Vogt, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a storage device for receiving and giving off a, photographic band material (130), especially for the buffering of photographic material and/or as indication or control element with an inlet (140) and an outlet, (150) for the photographic material band as well as a weight member (120, 160), which pushes onto the photographic band material between the inlet (140) and the, outlet (150) for the tensioning thereof and the height of which is changed during, changing of the stored band length by interaction between the band tension and its, inherent weight, whereby the change in height of the weight member (120 160) , is, coupled with a rotation (A, B) of a …
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
- Filed September 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 2021.
- 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.