Processing apparatus
CA 2092748 A1 · Owner: Eastman Kodak Company · Inventors: Devaney, Mark Joseph, Jr.; Frank, Lee Fitzpatrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for treating a web with treatment fluid comprises a two part housing (32,34) defining a recess (62) for receiving the web and a fluid distribution system comprises a series of passages (46,48,50,52,54,56,58) connected in a whiffletree configuration for dividing and subdividing the treatment fluid to supply treatment fluid to the recess (62) at a plurality of locations across the recess to uniformly treat the web with the treatment fluid. In another embodiment the process or comprises a pair of plates (90,92) defining a recess (98) for receiving a web. The plates (90,92) have at least one pair of elongated liquid injection openings (100) extending transversely of the recess (98) on …
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 March 26, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2015.
- 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.