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Scheme
Definition
CPC-to-IPC
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Recent Changes List
CPC to IPC Concordance for Subclass
A
21C
Printable Version [PDF]
Version:
2026.05
CPC Group
IPC Group
CPC Group
IPC Group
A
21C
1/00
A
21
C
1/00
A
21C
1/003
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21
C
1/00
A
21C
1/006
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21
C
1/00
A
21C
1/02
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21
C
1/02
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21C
1/04
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21
C
1/04
A
21C
1/06
A
21
C
1/06
A
21C
1/065
A
21
C
1/06
A
21C
1/08
A
21
C
1/08
A
21C
1/083
A
21
C
1/08
A
21C
1/086
A
21
C
1/08
A
21C
1/10
A
21
C
1/10
A
21C
1/105
A
21
C
1/10
A
21C
1/12
A
21
C
1/12
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21C
1/14
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21
C
1/14
A
21C
1/1405
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21
C
1/14
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21C
1/141
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21
C
1/14
A
21C
1/1415
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21
C
1/14
A
21C
1/142
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21
C
1/14
A
21C
1/1425
A
21
C
1/14
A
21C
1/143
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21
C
1/14
A
21C
1/1435
A
21
C
1/14
A
21C
1/144
A
21
C
1/14
A
21C
1/1445
A
21
C
1/14
A
21C
1/145
A
21
C
1/14
A
21C
1/1455
A
21
C
1/14
A
21C
1/146
A
21
C
1/14
A
21C
1/1465
A
21
C
1/14
A
21C
1/147
A
21
C
1/14
A
21C
1/1475
A
21
C
1/14
A
21C
1/148
A
21
C
1/14
A
21C
1/1485
A
21
C
1/14
A
21C
1/149
A
21
C
1/14
A
21C
1/1495
A
21
C
1/14
A
21C
3/00
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21
C
3/00
A
21C
3/02
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21
C
3/02
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21C
3/021
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21
C
3/02
A
21C
3/022
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21
C
3/02
A
21C
3/024
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21
C
3/02
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21C
3/025
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21
C
3/02
A
21C
3/027
A
21
C
3/02
A
21C
3/028
A
21
C
3/02
A
21C
3/04
A
21
C
3/04
A
21C
3/06
A
21
C
3/06
A
21C
3/065
A
21
C
3/06
A
21C
3/08
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21
C
3/08
A
21C
3/10
A
21
C
3/10
A
21C
5/00
A
21
C
5/00
A
21C
5/003
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21
C
5/00
A
21C
5/006
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21
C
5/00
A
21C
5/02
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C
5/02
A
21C
5/04
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21
C
5/04
A
21C
5/06
A
21
C
5/06
A
21C
5/08
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21
C
5/08
A
21C
7/00
A
21
C
7/00
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21C
7/005
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7/00
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21C
7/01
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7/01
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21C
7/02
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C
7/02
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21C
7/04
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21
C
7/04
A
21C
7/06
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21
C
7/06
A
21C
9/00
A
21
C
9/00
A
21C
9/02
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21
C
9/02
A
21C
9/04
A
21
C
9/04
A
21C
9/045
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21
C
9/04
A
21C
9/06
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21
C
9/06
A
21C
9/061
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C
9/06
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21C
9/063
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21
C
9/06
A
21C
9/065
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9/06
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9/066
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C
9/06
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9/068
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9/06
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9/08
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9/081
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21
C
9/08
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21C
9/083
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C
9/08
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21C
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21
C
9/08
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21C
9/086
A
21
C
9/08
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21C
9/088
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C
9/08
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21C
11/00
A
21
C
11/00
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11/002
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21
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11/00
A
21C
11/004
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21
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11/00
A
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11/006
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21
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11/00
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21C
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21
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11/00
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21C
11/02
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21
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11/02
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21C
11/04
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21
C
11/04
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11/06
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21
C
11/06
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11/08
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11/08
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11/10
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11/10
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11/103
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11/10
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21C
11/106
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21
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11/10
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11/12
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11/12
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11/14
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21
C
11/14
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21C
11/16
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21
C
11/16
A
21C
11/163
A
21
C
11/16
A
21C
11/166
A
21
C
11/16
A
21C
11/18
A
21
C
11/18
A
21C
11/20
A
21
C
11/20
A
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11/22
A
21
C
11/22
A
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11/24
A
21
C
11/24
A
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13/00
A
21
C
13/00
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13/02
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21
C
13/02
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14/00
A
21
C
14/00
A
21C
15/00
A
21
C
15/00
A
21C
15/002
A
21
C
15/00
A
21C
15/005
A
21
C
15/00
A
21C
15/007
A
21
C
15/00
A
21C
15/02
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21
C
15/02
A
21C
15/025
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21
C
15/02
A
21C
15/04
A
21
C
15/04
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Last updated on:
July 1, 2018 at 10:03 AM EST
Published on:
May 5, 2017 at 09:24 AM EST
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