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Class Information
Number: D18/22
Name: Printing and office machinery >

Sub-classes under this class:

Class Number Class Name Patents
D18/1 Typewriter or calculator 223
D18/24 Type or type face 282
D18/34.1 Bookbinding or document cutting, trimming, or shredding machine 42
D18/35 Pneumatic dispatch tube or system 19
D18/35.1 Mail handling machine 31
D18/36 Copy reproducing equipment 304
D18/46 Document handler 57
D18/50 Printing equipment 675
D18/99 Miscellaneous 26

Patents under this class:

Patent Number Title Of Patent Date Issued

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