Earth art forms
US4810539A · kind A · utility
Inventor
Key dates
| Filing date | Sep 14, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Sep 14, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/216
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An art form where earth in powdered form from specific locations--earth from a country, states, counties, a person's yard or other locations with sample records maintained is, after being heat sterilized sized to designate size range limits, and then embedded within plastic and formed to the desired shape. The shape may be a micro-dot insertable in commemorative coins or utilized in jewelry of all sizes and shapes or molded into a whole range of jewelry shapes and sizes. The plastic may be a thermo softening and setting plastic, a chemical reactive setting plastic or even a thermo setting resin such as an epoxy resin into which some of the desired powdered earth is entrained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.