• All sections
• E - Fixed constructions
• E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
• E01F 9/642 - Upright bodies, e.g. marker posts or bollardsSupports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact friction-coupled

Patent holdings for IPC class E01F 9/642

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class