Apparatus for venting of gases from contact lens cases
US4889693A · kind A · utility
35Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1988 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Jan 22, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S134/901
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An appliance for disinfecting/sterilizing contact lenses having a valve for the venting of gases liberated from the lens solution in the form of a deformable, polymeric plug which is movable between a closed and an open position, depending on the pressure of the gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.