Priority Date: 21.11.11 (JP 20110253913)

OPTICAL FIBER PREFORM, METHOD FOR PRODUCING OPTICAL FIBER, AND OPTICAL FIBER

  • Application ID: EP12851113
  • Status: PATENT GRANTED

Applicant

Attorney

Employment test 51 - 200 employees
Company dna hoffmann eitle
operating since 1892
Headquarter in Munich and 4 offices
active in Legal Services and IP Portfolio Processing

Specialization

This patent has the IPC class C03 (GLASS; MINERAL OR SLAG WOOL) is specialized in C03. 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

  • 21.11.2011 - Priority Date (JP 20110253913)
  • 30.05.2013 - Publication A1 (WO2013077263)
  • 01.10.2014 - Publication A1 (EP2784033)
  • 28.12.2016 - Publication B1 (EP2784033)

IPC Classification