Priority Date: 06.12.07 (DE 20071058789)

CAST PISTON HAVING SUPPORTING RIBS, AND METHOD FOR THE PRODUCTION OF SUCH A PISTON

  • Application ID: EP08805008
  • Status: Patent revoked

Applicant

Attorney

Employment test 51 - 200 employees
Company dna hoffmann eitle
operating since 1892
Headquarter in Munich and 6 offices
active in Legal Services and IP Portfolio Processing

Specialization

This EP application has the IPC class F02 (COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS). 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

  • 06.12.2007 - Priority Date (DE 20071058789)
  • 11.06.2009 - Publication A1 (WO2009071354)
  • 01.09.2010 - Publication A1 (EP2222947)
  • 16.11.2011 - Publication B1 (EP2222947)

IPC Classification