USPC-to-IPC Reverse Concordance for IPC Subclass - C23F Non-Mechanical Removal Of Metallic Material From Surfaces;Inhibiting Corrosion Of Metallic Material;Inhibiting Incrustation In General;Multi-Step Processes For Surface Treatment Of Metallic Material Involving At Least One Process Provided For In Class C23 And At Least One Process Covered By Subclass C21D Or C22F Or Class C25
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You are viewing a USPC-to-IPC Reverse Concordance Subclass.
USPC-to-IPC Reverse Concordance for
IPC Subclass - C23F
 Non-Mechanical Removal Of Metallic Material From Surfaces;Inhibiting Corrosion Of Metallic Material;Inhibiting Incrustation In General;Multi-Step Processes For Surface Treatment Of Metallic Material Involving At Least One Process Provided For In Class C23 And At Least One Process Covered By Subclass C21D Or C22F Or Class C25

Printable Version[PDF]
IPC GroupU.S. ClassU.S. Subclass
1  /  00 156 345.1     -     345.55
    216 2     -     3
    216 39
    216 41     -     51
    216 57     -     58
    216 62     -     109
3  /  00 216 74     -     81
    428 687
11  /  00 203 6     -     7
    252 387     -     396
    422 1
    422 7     -     8
    422 11
    422 14
11  /  02 422 9     -     11
11  /  04 422 12
    422 16
    423 269
    507 248
11  /  06 422 13
11  /  10 422 17
    508 541
11  /  14 507 243     -     244
    507 251
11  /  16 422 15
    507 247
11  /  18 422 18     -     19
    507 270     -     271
    507 275
13  /  00 204 196.01     -     196.38
    205 724     -     740
14  /  00 203 6     -     7
14  /  02 510 249     -     253
17  /  00 204 472     -     488


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