Method of manufacturing three-dimensional indicia on electroluminescent timepiece dials and timepiece dials produced thereby
US5513153A · kind A · utility
8Cited by
18References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Feb 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49583
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The method of manufacturing electroluminescent timepiece dials having three-dimensional indicia and to timepiece dials produced by this method. A subdial having the indicia projecting therefrom is affixed to the bottom of the electroluminescent dial. Three-dimensional effect is created when the projecting indicia are received by apertures in the electroluminescent dial.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.