E21D15/55 - CPC Classification Index

ClassID:

136128 ⎘

E21D15/55 - CPC Classification

Classification description:

Props ; Chocks, e.g. made of flexible containers filled with backfilling material; Component parts or details of props; Details of the ends of props of prop heads or feet

Recent Application in this class:

20240247506

2024-07-25

IMPROVED PROP ASSEMBLIES

20200300088

2020-09-24

Base mechanism of single prop capable of being unloaded at reduced pressure

20170067263

2017-03-09

Adapter for a formwork support structure

20160102552

2016-04-14

TEMPORARY ROOF SUPPORT SYSTEM WITH ANTI-ROTATION FEATURE

20150147122

2015-05-28

Yieldable prop with yieldable insert

20140286713

2014-09-25

Prop head bearing device for shield supports

20120027529

2012-02-02

Mine Support Having a Linearly Moveable and/or Pivoting End Plate

20080240868

2008-10-02

Mine support having a linearly moveable and/or pivoting end plate