| Outline |
Indent Level
| |
| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | |
![]() | MAKING ARTICLES FROM LEATHER, CANVAS, OR THE LIKE |
B68F 1/00 |
![]() | Machines or equipment specially adapted for saddle-making (methods B68F 1/00) |