Dental impression tray
US5478235A · kind A · utility
33Cited by
11References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 5, 1993 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Nov 5, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental impression tray having a rough textured surface which provides a multiplicity of pits made up of valleys and peaks, holes that don't penetrate through the tray, cavities, craters, crevices, ledges and/or undercuts which retain and/or stabilize the impression material. The rough textured surface of the handle provides a non-slip surface for a gloved hand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.