Priority Date: 25.03.15 (CN 201510134403)

SADDLE CURVED-SURFACE TRANSITION-BASED STEPLESS BIDIRECTIONAL STRETCHING METHOD AND DEVICE FOR FILM

  • Application ID: EP15886144
  • Status: Request for examination was made

Applicant

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Specialization

This EP application has the IPC class B29 (WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL). Staeger & Sperling Partnerschaftsgesellschaft mbB is specialised in B29 (WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 25.03.2015 - Priority Date (CN 201510134403)
  • 29.09.2016 - Publication A1 (WO2016150222)
  • 31.01.2018 - Publication A1 (EP3275625)

IPC Classification