Patent class list (only not empty are listed)

Sewing

Subclass of: 112 - Sewing

Deeper subclasses:

112400000 - PRODUCTS (3)
112002000 - SPECIAL MACHINES (77)
112000000 - WORK MANIPULATING (3)
112154000 - STITCH FORMING (12)
112270000 - ELEMENTS (38)
112475010 - METHOD OF SEWING (10)

Patents in all subclasses Sewing