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Fuel cell with thermal conductance of cathode greater than anode

EP 1771901 A2 · Applicant: UTC Fuel Cells, LLC

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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 May 31, 2005 and never granted as a European patent. Had it been granted, its 20-year term would have ended May 31, 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.
FiledMay 31, 2005
PublishedApril 11, 2007
GrantedNever granted
Term endedMay 31, 2025
Application numberEP 05756104
Classification (CPC)H01M8/1004 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 31, 2005PublishedApril 11, 2007Term endedMay 31, 2025

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

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