B23B2251/52 - CPC Classification Index

ClassID:

41180 ⎘

B23B2251/52 - CPC Classification

Classification description:

Details of tools for drilling machines Depth indicators

Recent Application in this class:

20250381604

2025-12-18

STEP DRILL BIT

20210161571

2021-06-03

K-wire depth measurement

20200222994

2020-07-16

STEP DRILL BIT

20190184473

2019-06-20

METAL DRILL

20190143422

2019-05-16

Step drill bit

20170326651

2017-11-16

Step drill bit

20170175034

2017-06-22

CANDLE ASSEMBLY AND METHOD FOR MAKING PERSONALIZED CANDLES

20160001378

2016-01-07

Protection tool for an electronic drill

20160001377

2016-01-07

Electronic drill with revolving replaceable drilling heads

#10

20150101177

2015-04-16

Drilling apparatus and method

#11

20140363244

2014-12-11

Step drill bit

#12

20140301797

2014-10-09

Device and a Method for Machining Printed Circuit Boards

#13

20140212235

2014-07-31

Drill cutting insert

#14

20130307529

2013-11-21

Device for measuring drill bit displacement

#15

20090119931

2009-05-14

TOOL ELEMENT AND MARKING SYSTEM

#16

20070059113

2007-03-15

Hole saw having depth of travel indicia

#17

20060127847

2006-06-15

Ceramic instrument