Brush, Broom, And Mop Making Patents (Class 300)

Miscellaneous (Class 300/1)

Brush-making machines (Class 300/2)

Drilling and tuft setting (Class 300/3)
Tuft feeding and setting (Class 300/4)
Tuft gathering and setting (Class 300/5)
Tuft gathering (Class 300/7)
Tuft setting (Class 300/8)
Filling (Class 300/9)
Work holders (Class 300/10)

Broom-making machines (Class 300/12)

Mop-making machines (Class 300/16)

Brush and broom trimming (Class 300/17)

Dressing and assorting (Class 300/18)

Implements (Class 300/19)

Handle setting (Class 300/20)

Processes (Class 300/21)

Class-related foreign documents (Class 300/FOR000)