European application, no grantEurope
Sheet capable of controlling quantity of passing fluid
EP 0950737 A1 · Applicant: TEIJIN LIMITED
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 October 6, 1998 and never granted as a European patent. Had it been granted, its 20-year term would have ended October 6, 2018.
- 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 April 6, 2024.
- 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.
FiledOctober 6, 1998
PublishedOctober 20, 1999
GrantedNever granted
Term endedOctober 6, 2018
Application numberEP 98945636
Classification (CPC)E01F7/02 +2 more
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.