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Expired European patentEurope

Lens mount for a zoom lens for television cameras

EP 0307440 B1 · Applicant: LEMKE, Norbert

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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.

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Why it's free to use

  • Filed March 31, 1988 and granted June 17, 1992. A European patent lasts at most 20 years from filing, so its term ended March 31, 2008.
  • 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 October 1, 2013.
  • 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 31, 1988
PublishedMarch 22, 1989
GrantedJune 17, 1992
Term endedMarch 31, 2008
Application numberEP 88902807
Classification (CPC)A61B1/042 +1 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedMarch 31, 1988PublishedMarch 22, 1989Patent grantedJune 17, 1992Term endedMarch 31, 2008

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.