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Expired European patentEurope

Method of cooking meat in a microwave oven

EP 0001396 B1 · Applicant: Litton Systems, Inc.

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Overview

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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 August 30, 1978 and granted November 11, 1981. A European patent lasts at most 20 years from filing, so its term ended August 30, 1998.
  • 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 March 1, 2004.
  • 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 30, 1978
PublishedApril 18, 1979
GrantedNovember 11, 1981
Term endedAugust 30, 1998
Application numberEP 78100789
Classification (CPC)H05B6/6458 +2 more

Timeline

Timeline From EPO dates

1979198119831985198719891991199319951997Application filedAug 30, 1978PublishedApril 18, 1979Patent grantedNov 11, 1981Term endedAug 30, 1998

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.