Orthodontic arch wire
US4892479A · kind A · utility
33Cited by
12References
10Claims
0Family size
Inventor
Key dates
| Filing date | Oct 11, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Oct 11, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An orthodontic arch wire is provided with a mid-point marker in the form of a displacement dimple offset from the principal plane of the wire at its center line. The dimple cooperates with adjacent brackets to restrict sideways displacement of the wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.