closed or substantially-closed ends, e.g. cartridge bottoms

Full Title

Making hollow articles not covered by any single one of groups > Shaping end portions of hollow articles > closed or substantially-closed ends, e.g. cartridge bottoms

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS