Integral bi-directional hand-held reading glasses
US6033068A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1999 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Feb 2, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides low cost, integral, bi-directional, plastic reading glasses formed by injection molding having a number of different attachment means including an integral clip, a tethering location, and optional attachment pad accessories for attaching the reading glasses to one of any number of locations. The low per unit cost and the various attachment features are designed to significantly increase the availability of reading glasses when and where required for short-term vision assistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.