Method of manufacturing a nail file
US4927483A · kind A · utility
5Cited by
7References
9Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Nov 17, 2008 |
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.