Post plastic lens photographic slide mount
US6065234A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1998 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Nov 17, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/64
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A post plastic lens photographic slide mount made from a plastic slide mount includes a first and second plastic frame portions connected along an outer border with a pocket into which a photographic film slide can be inserted. A top plastic lens and a bottom plastic lens that can be introduced to the plastic slide mount. The plastic lenses can be added at the same time the photographic film slide is inserted into the plastic slide mount, or the lenses may be added after the plastic slide mount has been assembled. The lenses are held in place by a tongue and groove arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.