CPC A43B21/00
Jump to navigation
Jump to search
CPC A43B21/00 is a technology category for patents on certain parts of footwear.[1][2]
References
- ↑ CPC A43B21/00 element at Espacenet web site
- ↑ CPC A43B21/00 element listed at USPTO
This wiki has 1 patents in category "CPC A43B21/00".
Patents in category CPC A43B21/00
- Patent FR-1915-476969 (English title: lifting and landing airplanes in place, Inventors: Lucien David, Filing date: 1914-05-16)
| Enclosing categories | CPC A43B |
|---|---|
| Subcategories | |
| Keywords | |
| Start year | |
| End year |
