Nail file
US4785835A · kind A · utility
16Cited by
3References
11Claims
0Family size
Inventor
Key dates
| Filing date | Oct 14, 1986 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | Oct 14, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2317/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A nail file comprises a core of stiff sheet material and a layer of abrasive material laminated to at least one surface of the sheet material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.