Mark-bearing support for dental X-ray film pack
US4995108A · kind A · utility
4Cited by
13References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Aug 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B42/047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mark-bearing support for a dental X-ray film pack is disclosed. The support has an X-ray pervious bite portion to be clenched between upper and lower teeth and a support portion for temporarily holding the dental X-ray film pack thereon. The support portion is provided with a mark formed of an X-ray impervious material such as a lead-containing ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.