B23B2251/446 - CPC Classification Index

ClassID:

41175 ⎘

B23B2251/446 - CPC Classification

Classification description:

Details of tools for drilling machines; Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface Drills with variable margins

Recent Application in this class:

20230219147

2023-07-13

Drill and method for producing a drill

20220395914

2022-12-15

Drill bit

20210039176

2021-02-11

Drill and method for producing a drill

20190381582

2019-12-19

Drill bit

20180326618

2018-11-15

Drilling tool

20180029140

2018-02-01

Drill or drill head with burnishing margin

20160129506

2016-05-12

Drill

20150375356

2015-12-31

Method for producing an axially extending tool tip and tool tip

20150314378

2015-11-05

Twist drill

#10

20150266107

2015-09-24

Drill and Drill Head with Drill Margin

#11

20140140782

2014-05-22

Drill bit

#12

20140037393

2014-02-06

Bit for a rotary drill

#13

20130315681

2013-11-28

Rotary cutter

#14

20120114440

2012-05-10

DRILL

#15

20110318128

2011-12-29

Drill tip and drilling tool having a drill tip

#16

20110211924

2011-09-01

Drill

#17

20060159535

2006-07-20

Spade drill insert having helical margins

#18

20050100419

2005-05-12

Spade drill insert having helical margins