Dental X-ray film back
US4831643A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jun 5, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C3/003
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dental X-ray film pack includes a dental X-ray film, an inner packaging member covering both sides of the dental X-ray film and an outer packaging member having a peeling piece at a part thereof and enclosing the dental X-ray film and inner packaging member. The dental X-ray film pack is provided with a means for uniting together a section of the inner packaging member, said section covering one side of the dental X-ray film on the side of the peeling piece, and the peeling piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.