Patent Yard Sign in
Expired European patentEurope

Write driver with improved boosting circuit and interconnect impedance matching

EP 1587066 B1 · Applicant: STMicroelectronics S.r.l.

EPO PDF

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 April 14, 2005 and granted April 8, 2009. A European patent lasts at most 20 years from filing, so its term ended April 14, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledApril 14, 2005
PublishedOctober 19, 2005
GrantedApril 8, 2009
Term endedApril 14, 2025
Application numberEP 05008158
Classification (CPC)G11B5/02 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 14, 2005PublishedOct 19, 2005Patent grantedApril 8, 2009Term endedApril 14, 2025

Sources & verification