Lens cover system
US6113233A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1999 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens cover system is provided. The lens cover system includes a sheet of material suitable for use in covering a first lens, a pin suitable for use in making a first plurality of holes in the sheet of material around the perimeter of the first lens, and a pair of scissors for cutting the sheet of material along the first plurality of holes thereby creating a first lens cover. The lens cover system also includes a storage apparatus for storing each lens cover. In one embodiment, the storage apparatus includes a card having first and second sides and an envelope. Each lens cover adheres to opposite sides of the card. The card and lens covers are then placed within the envelope for protection. In another embodiment the storage apparatus includes a book having a plurality of pages including first and second outer pages and a middle page. Each lens cover adheres to opposite sides of the middle page. The outer pages are then closed around the middle page for protection. Preferably, the card and envelope and the book fit within a credit card holder for easy and convenient storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.