Expired European patentEurope
High-pressure discharge lamp having a cap at one side
EP 0157357 B1 · Applicant: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
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 March 27, 1985 and granted August 2, 1989. A European patent lasts at most 20 years from filing, so its term ended March 27, 2005.
- 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 September 27, 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.
FiledMarch 27, 1985
PublishedOctober 9, 1985
GrantedAugust 2, 1989
Term endedMarch 27, 2005
Application numberEP 85103646
Classification (CPC)H01J61/827 +1 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.