Expired European patentEurope
Filling element for material-exchange columns
EP 0143902 B1 · Applicant: Vereinigte Füllkörper-Fabriken GmbH & Co.
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
Read the whole patent
Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 23, 1984 and granted May 27, 1987. A European patent lasts at most 20 years from filing, so its term ended August 23, 2004.
- A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by February 23, 2010.
- We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledAugust 23, 1984
PublishedJune 12, 1985
GrantedMay 27, 1987
Term endedAugust 23, 2004
Application numberEP 84110051
Classification (CPC)B01J19/30
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.